Q1 An oscillation is said to be if
its amplitude of the oscillation gradually decreases to zero over time
as a result of resistive force arising from the surrounding medium
Q2 During simple harmonic motion of an object, there is a constant
interchange of of the object between its kinetic and potential
forms
Q3 If the displcacement from its equilibrium position of a particle undergoing simple harmonic motion is very small, the force obeys Hooke's law
Q4 The displacement, velocity and acceleration of a particle undergoing a simple harmonic motion could be represented by a function
Q5 A simple harmonic motion is a periodic vibration of a body whose acceleration is
directly proportional to its from a fixed point and is
always directed towards this point i.e. a = - constant x
Q6 force is required for a simple harmonic motion to continue
Q7 A joule is a unit of
Q8 1 horse power is equal to W
Q9 A physical quantity which has the same dimensions as moment of a force is
Q10 is done when a force moves its point of application along
the direction of its line of action
Q11 The coefficient of is the maximum limiting force just
before a body starts sliding over another surface
Q12 The force which opposes the relative motion of two surfaces in contact is called
Q13 There are fundamental forces in nature
Q14 The velocity at which an object thrown into space will move completely free of the earth's gravitational field is called velocity
Q15 A orbit is the orbit of a satellite whose period of
revolution is approximately equal to the period of rotation of the
earth about its axis which is 24 hours
Q16 In a perfectly elastic collision, momentum and are conserved
Q17 is a force which acts for only a very short duration of time
Q18 The quantity ,force times time, re[resents
Q19 The maximum of theprojectile motion is attained when the angle of inclination at the point of projection is degrees
Q20 The is common to the vertical and horizontal components of the projectile motion
Q21 he shape of the of a projectile is a parabola
Q22 The horizontal distance covered by a projectile during the time of flight is called the
Q23 Netwton's law of motion is also known as the law of inertia
Q24 Newton's of motion explains the principle of operation of jet and rocket engines.
Q25 A body is said to be in
equilibrium if on being slightly displaced from its equilibrium
position, forces are acting in such a way as to return it to its
equilibrium position.
Q26 A quantity is completely specified by its magnitude and direction
Q27 Work and moment of a force have the same
Q28 The of a physical quantity is the relationship between the unit of the quantity and the units of the fundamntal quantities
Q29 Quantities units which are obtained by a combination of the basic or fundamental quantities are called quantities
Q30 All motions are and not absolute
Q31 A of reference is a set of coordinate axes used to describe the motion of an object.
Q32 The kinetic energy per degree of freedom of a molecule of a
monoatomic gas can be given interms of k and T where the symbols have
thier usual meaning, as KE = . You may choose your answer from the list:(3kT/2, kT/3, kT/2, kT)
Q33 distribution is concerned with the distribution molecular speeds of a given closed system at a particular temperature
Q34 a material that can easily be drawn into a wire as it undergoes plastic deformation is said te be
Q35 point is reached when the molecules of a loaded piece of wire begin to slide past each other as it exceeds its elastic limit
Q36 The process whereby molecules move from the region of high
concentration to that of low concentration until equilibrium is
established within the system is called
Q37 A sensitive device made up of a series of thermocouples which may
be used to detect heat radiated at a distance is called
Q38 An ideal and the best radiator and absorber of heat the radiator
Q39
__'s law of cooling states that the rate of lost of heat by a hot body
is proportional to the temperature difference between the hot body and
its surroudings.
Q40 The predominant mode of heat transfer in fluids is
Q41 In the equation k = (Rate x heat transferred)/(Area x temperature gradient), the quantity k stands for
Q42 A U-tube sealed at both ends contains nitrogen in one side and
helium at pressure P in the other. The gases are seperated by mecury of
density D.The mecury level in the arm containing helium is x units of
length above the mecury level in the arm containing nitrogen. The
pressure exerted by nitrogen on helium is __. Take the acceleration due to gravity as g. (You may choose your answers from the following list; P, xDg, P-xDg, P+xDg)
Q43 In an experiment to verify Boyle's law, a J tube open at one end
and closed at the other is used. The pressure exerted on the air
trapped, P, is related to the barometric height H and the mecury head h
by the equation P =
Q44 A process whereby no heat is allowed to to flow into or out of a thermodynamic system is
Q45 The sum total of all kinds of energy possessed by the consituent particles of a system is called
Q46 The amount of heat absorbed or given out during the process of
phase change of a substance at a constant temperature is called
Q47 The principle of the method of mixtures states that "heat lost by a
hot body is equal to heat gained by a cold body provided no heat is
lost to the surrounding". This is also the statement of the principle of
Q48 temperature is the temperature at which, theoretically, all thermal motions will cease.
Q49 A physical factor which depends on the altitude and causes the variation in freezing and boiling points is the
Q50 Any physical property of a substance which varies uniformly with
temperature and which may be used to establish a temperature scale is
known as property
Q51 The ratio of the image size to the object size is called the of the mirror
Q52 The type of mirror that is most suitable to be used as a driving mirror is
Q53 A ray of light which passes through the of the mirror is reflected back along its path
Q54 If a concave mirror forms an object placed in front it. The image
is erect, virtual and enlarged. This implies the object is place between
the mirror and the
Q55 A
point on the principal axis of a curved mirror where rays parallel and
close to the mirror converge or appear to diverge after reflection from
the mirror is called the of the mirror
Q56 systems do not allow either energy or mass to flow between them and the surrounding
Q57 A type of boundary that allows exchange of heat is called boundary
Q58 A system whose boundary allows transfer of mass and energy into or out of it is called system
Q59
is a restricted region of space or a finite portion of matter or the
part of the universe, with well-defined boundaries chosen for study.
Q60
is the study of the effects of work, heat, and energy on a system and
it deals only with the large-scale response of a system, which can be
observed and measured.
Q61 Which of the following is NOT an effect of heat on a substance?
Q62 The absolute zero temperature refers to the temperature at which
Q63 Tin melts at 232 under standard atmospheric pressure. Express this temperature in kelvin
Q64 When the junctions of two dissimilar metals are
maintained at different temperatures an electromotive force is is set up
in the circuit of which these junctions are a part. A pair of juntions
of this kind is known as
Q65 On what thermometric property does the working of a thermistor depend?
Q66 An ungraduated mercury thermometer attached to a
millimeter scale reads 22.8mm in ice and 242mm in steam at standard
pressure. What will the millimeter read when the temperature is 20^{o}
C?
Q67 A wall or partition that allows free exchange of heat energy between two systems is referred to as --------------
Q68 The fundamental interval of a thermometric scale is
Q69 Which of the following is NOT a thermometric property?
Q70 The term "adiabatic" is used to describe a partition that
Q71 Two bodies may be said to be in thermal equilibrium if
Q72 Measurement of temperature is referred to as------------
Q73 Heat can be defined as------------------------
Q74 Measurement of heat energy is referred to as------------
Q75 One of these is NOT a factor that can affect the rate of evaporation
Q76 When the pressure of the vapour on top of an
enclosed liquid is equal to the pressure of the atmosphere, the liquid
is at its ---------
Q77 A change of state is often accompanied by a
change in (I) temperature (II) density (III) internal energy (IV)
mass. Which of these is correct?
Q78 A person suffers a more severe burn from steam than from boiling water because -------------------
Q79 A gas occupies a certain volume at 27 degree
celcius.If it is heated at constant pressure, its volume is exactly
doubled at a temperature of ----------------------
Q80 The process by which a substance changes directly from solid state to gaseous state at any temperature is called
Q81 The S.I unit of heat capacity is -------------------
Q82 A railway line is laid with 10 m length of rail
on a day when the temperature is $$2.50^{o}C$$. There is a gap of 0.5 cm
between the rails. Find the temperature at which the gap will close
Q83 The ice and steam points on a thermometer
correspond to X and 50mm respectively. A temperature of 60degree celcius
corresponds to 52mm on the thermometer. Calculate the value of X
Q84 The fundamental interval of a thermometric scale refers to ---------------------
Q85 A thermocouple works on the principle of --------------------
Q86 Which of the following determines whether a body will be in thermal equilibrium with another body?
Q87 An ungraduated mercury thermometer attached to a
millimeter scale reads 22.8mm in ice and 242mm in steam at standard
pressure. What will the millimeter read when the temperature is 20^{o}
C?
Q88 The predominant mode of heat transfer in solids is -----------
Q89 The second law of thermodynamics
Q90 It is NOT possible to completely convert
Q91 Which of the following is NOT an effect of heat on a substance?
Q92 The absolute zero temperature refers to the temperature at which
Q93 Calculate how much heat is needed to be supplied
to a gas at a pressure of $1.25times10^{5} Pa, such that the pressure
increases by 25 per cent at constant volume, and the internal energy by
120J.
Q94 A 0.5kg piece of metal (c = 600/kgK) at 300
degree celcius is dumped into a large pool of water at 20 degrees
celcius. Assuming the change in temperature of water to be negligible,
calculate the overall change in entropy for the system
Q95 Calculate the change in internal energy of 2kg of
water at 90 degree celcius when it is changed to $3.30m^{3}$ of steam
at $100 ^{o}$C. The whole process occurs at atmospheric pressure. The
latent heat of vaporization of water is $2.26\times10^{6}$ J/kg.
Q96 Calculate the electric power which must be
supplied to the filament of of a light bulb operating at 3000K. The
total surface area of the filament is $8\times10^{-6}m^{2}$ and its
emissivity is 0.92.
Q97 One end of a 30-cm long aluminium rod is exposed
to a temperature of 500 degree centigrade while the other end is
maintained at 20 degree. centigrade. The rod has the diameter of 2.5 cm.
If heat is conducted through the rod at the rate of 164.9J/s, calculate
the the thermal conductivity of aluminium
Q98 The method of mixtures as a means of measuring
the amount of heat of a substance depends of the principle of
conservation of
Q99 Which of the following is NOT true about conduction as a means of heat transfer?
Q100 Which of these determines whether or not heat flows in a system?
Q101 The mechanism of heat transfer from one point to
another through vibration of the molecules of the medium is called
-------------
Q102 One of these is an example of thermal radiation detector
Q103 One of these is NOT a basic assumption of kinetic theory of ideal gases
Q104 Thermal expansion of a solid material depends on the following EXCEPT
Q105 An image formed by a plane mirror is
Q106 Given that the specific capacity of ice is
one-half that of water, does is take more thermal energy to raise the
temperature of 5 g of water or 5 g of ice by $$6^{o}C?$$
Q107 The method of mixtures as a means of measuring
the amount of heat of a substance depends of the principle of
conservation of
Q108 Which of the following is NOT true?
Q109 diopter is theunit of
Q110 In an experiment involving the convex lens
Q111 Describe the image of candle positioned 20cm in front of a concave mirror of focal length 30cm
Q112 Which of the following is correct about tracing ray digrams with curved mirrors
Q113 Convex mirrors are mostly used as
Q114 In an experiment involving a spherical mirror,
1/v was plotted on the vertical axis and 1/u on the horizontal axis.
What is the linear magnification?
Q115 Which of the following is NOT true of experiments involving curved mirrors?
Q116 A process that is carried out in such a way
that at every instant, the system departs only infinitesimal from an
equilibrium state is said to be --------------------
Q117 The thermocouple is base on a physical principle known as ---------------------- effect
Q118 One end of a metal rod is heated by a flame and the other end is is used to melt ice. This process is possible through
Q119 A wall that thermally insulates one system from another system is called -------------- wall
Q120 The statement that "two objects each have the
same temperature with a third object and therefore their temperatures
are equal" is the -------------------- law of thermodynamics
Q121 An oscillation is said to be
if its amplitude of the oscillation gradually decreases to zero over
time as a result of resistive force arising from the surrounding medium
Q122 During simple harmonic motion of an object, there is a constant
interchange of of the object between its kinetic and potential
forms
Q123 If the displcacement from its equilibrium position of a particle undergoing simple harmonic motion is very small, the force obeys Hooke's law
Q124 The displacement, velocity and acceleration of a particle undergoing a simple harmonic motion could be represented by a function
Q125 A simple harmonic motion is a periodic vibration of a body whose acceleration is
directly proportional to its from a fixed point and is
always directed towards this point i.e. a = - constant x
Q126 force is required for a simple harmonic motion to continue
Q127 A joule is a unit of
Q128 1 horse power is equal to W
Q129 A physical quantity which has the same dimensions as moment of a force is
Q130 is done when a force moves its point of application along
the direction of its line of action
Q131 The coefficient of is the maximum limiting force just
before a body starts sliding over another surface
Q132 The force which opposes the relative motion of two surfaces in contact is called
Q133 There are fundamental forces in nature
Q134 The velocity at which an object thrown into space will move
completely free of the earth's gravitational field is called velocity
Q135 A orbit is the orbit of a satellite whose period of
revolution is approximately equal to the period of rotation of the
earth about its axis which is 24 hours
Q136 In a perfectly elastic collision, momentum and are conserved
Q137 is a force which acts for only a very short duration of time
Q138 The quantity ,force times time, re[resents
Q139 The maximum of theprojectile motion is attained when the angle of inclination at the point of projection is degrees
Q140 The is common to the vertical and horizontal components of the projectile motion
Q141 he shape of the of a projectile is a parabola
Q142 The horizontal distance covered by a projectile during the time of flight is called the
Q143 Netwton's law of motion is also known as the law of inertia
Q144 Newton's of motion explains the principle of operation of jet and rocket engines.
Q145 A body is said to be in
equilibrium if on being slightly displaced from its equilibrium
position, forces are acting in such a way as to return it to its
equilibrium position.
Q146 A quantity is completely specified by its magnitude and direction
Q147 Work and moment of a force have the same
Q148 The of a physical quantity is the relationship between the unit of the quantity and the units of the fundamntal quantities
Q149 Quantities units which are obtained by a combination of the basic or fundamental quantities are called quantities
Q150 All motions are and not absolute
Q151 A of reference is a set of coordinate axes used to describe the motion of an object.
Q152 The kinetic energy per degree of freedom of a molecule of a
monoatomic gas can be given interms of k and T where the symbols have
thier usual meaning, as KE = . You may choose your answer from the list:(3kT/2, kT/3, kT/2, kT)
Q153 distribution is concerned with the distribution molecular speeds of a given closed system at a particular temperature
Q154 a material that can easily be drawn into a wire as it undergoes plastic deformation is said te be
Q155 point is reached when the molecules of a loaded piece of wire begin to slide past each other as it exceeds its elastic limit
Q156 The process whereby molecules move from the region of high
concentration to that of low concentration until equilibrium is
established within the system is called
Q157 A sensitive device made up of a series of thermocouples which may
be used to detect heat radiated at a distance is called
Q158 An ideal and the best radiator and absorber of heat the radiator
Q159
__'s law of cooling states that the rate of lost of heat by a hot body
is proportional to the temperature difference between the hot body and
its surroudings.
Q160 The predominant mode of heat transfer in fluids is
Q161 In the equation k = (Rate x heat transferred)/(Area x temperature gradient), the quantity k stands for
Q162 A U-tube sealed at both ends contains nitrogen in one side and
helium at pressure P in the other. The gases are seperated by mecury of
density D.The mecury level in the arm containing helium is x units of
length above the mecury level in the arm containing nitrogen. The
pressure exerted by nitrogen on helium is __. Take the acceleration due to gravity as g. (You may choose your answers from the following list; P, xDg, P-xDg, P+xDg)
Q163 In an experiment to verify Boyle's law, a J tube open at one end
and closed at the other is used. The pressure exerted on the air
trapped, P, is related to the barometric height H and the mecury head h
by the equation P =
Q164 A process whereby no heat is allowed to to flow into or out of a thermodynamic system is
Q165 The sum total of all kinds of energy possessed by the consituent particles of a system is called
Q166 The amount of heat absorbed or given out during the process of
phase change of a substance at a constant temperature is called
Q167 The principle of the method of mixtures states that "heat lost by
a hot body is equal to heat gained by a cold body provided no heat is
lost to the surrounding". This is also the statement of the principle of
Q168 temperature is the temperature at which, theoretically, all thermal motions will cease.
Q169 A physical factor which depends on the altitude and causes the variation in freezing and boiling points is the
Q170 Any physical property of a substance which varies uniformly with
temperature and which may be used to establish a temperature scale is
known as property
Q171 The ratio of the image size to the object size is called the of the mirror
Q172 The type of mirror that is most suitable to be used as a driving mirror is
Q173 A ray of light which passes through the of the mirror is reflected back along its path
Q174 If a concave mirror forms an object placed in front it. The image
is erect, virtual and enlarged. This implies the object is place
between the mirror and the
Q175 A point on the principal axis of a curved mirror where rays
parallel and close to the mirror converge or appear to diverge after
reflection from the mirror is called the of the mirror
Q176 systems do not allow either energy or mass to flow between them and the surrounding
Q177 A type of boundary that allows exchange of heat is called boundary
Q178 A system whose boundary allows transfer of mass and energy into or out of it is called system
Q179
is a restricted region of space or a finite portion of matter or the
part of the universe, with well-defined boundaries chosen for study.
Q180
is the study of the effects of work, heat, and energy on a system and
it deals only with the large-scale response of a system, which can be
observed and measured.
Q181 Which of the following is NOT an effect of heat on a substance?
Q182 The absolute zero temperature refers to the temperature at which
Q183 Tin melts at 232 under standard atmospheric pressure. Express this temperature in kelvin
Q184 When the junctions of two dissimilar metals are
maintained at different temperatures an electromotive force is is set up
in the circuit of which these junctions are a part. A pair of juntions
of this kind is known as
Q185 On what thermometric property does the working of a thermistor depend?
Q186 An ungraduated mercury thermometer attached to a
millimeter scale reads 22.8mm in ice and 242mm in steam at standard
pressure. What will the millimeter read when the temperature is 20^{o}
C?
Q187 A wall or partition that allows free exchange of heat energy between two systems is referred to as --------------
Q188 The fundamental interval of a thermometric scale is
Q189 Which of the following is NOT a thermometric property?
Q190 The term "adiabatic" is used to describe a partition that
Q191 Two bodies may be said to be in thermal equilibrium if
Q192 Measurement of temperature is referred to as------------
Q193 Heat can be defined as------------------------
Q194 Measurement of heat energy is referred to as------------
Q195 One of these is NOT a factor that can affect the rate of evaporation
Q196 When the pressure of the vapour on top of an
enclosed liquid is equal to the pressure of the atmosphere, the liquid
is at its ---------
Q197 A change of state is often accompanied by a
change in (I) temperature (II) density (III) internal energy (IV)
mass. Which of these is correct?
Q198 A person suffers a more severe burn from steam than from boiling water because -------------------
Q199 A gas occupies a certain volume at 27 degree
celcius.If it is heated at constant pressure, its volume is exactly
doubled at a temperature of ----------------------
Q200 The process by which a substance changes directly from solid state to gaseous state at any temperature is called
Q201 The S.I unit of heat capacity is -------------------
Q202 A railway line is laid with 10 m length of rail
on a day when the temperature is $$2.50^{o}C$$. There is a gap of 0.5 cm
between the rails. Find the temperature at which the gap will close
Q203 The ice and steam points on a thermometer
correspond to X and 50mm respectively. A temperature of 60degree celcius
corresponds to 52mm on the thermometer. Calculate the value of X
Q204 The fundamental interval of a thermometric scale refers to ---------------------
Q205 A thermocouple works on the principle of --------------------
Q206 Which of the following determines whether a body will be in thermal equilibrium with another body?
Q207 An ungraduated mercury thermometer attached to a
millimeter scale reads 22.8mm in ice and 242mm in steam at standard
pressure. What will the millimeter read when the temperature is 20^{o}
C?
Q208 The predominant mode of heat transfer in solids is -----------
Q209 The second law of thermodynamics
Q210 It is NOT possible to completely convert
Q211 Which of the following is NOT an effect of heat on a substance?
Q212 The absolute zero temperature refers to the temperature at which
Q213 Calculate how much heat is needed to be supplied
to a gas at a pressure of $1.25times10^{5} Pa, such that the pressure
increases by 25 per cent at constant volume, and the internal energy by
120J.
Q214 A 0.5kg piece of metal (c = 600/kgK) at 300
degree celcius is dumped into a large pool of water at 20 degrees
celcius. Assuming the change in temperature of water to be negligible,
calculate the overall change in entropy for the system
Q215 Calculate the change in internal energy of 2kg
of water at 90 degree celcius when it is changed to $3.30m^{3}$ of steam
at $100 ^{o}$C. The whole process occurs at atmospheric pressure. The
latent heat of vaporization of water is $2.26\times10^{6}$ J/kg.
Q216 Calculate the electric power which must be
supplied to the filament of of a light bulb operating at 3000K. The
total surface area of the filament is $8\times10^{-6}m^{2}$ and its
emissivity is 0.92.
Q217 One end of a 30-cm long aluminium rod is exposed
to a temperature of 500 degree centigrade while the other end is
maintained at 20 degree. centigrade. The rod has the diameter of 2.5 cm.
If heat is conducted through the rod at the rate of 164.9J/s, calculate
the the thermal conductivity of aluminium
Q218 The method of mixtures as a means of measuring
the amount of heat of a substance depends of the principle of
conservation of
Q219 Which of the following is NOT true about conduction as a means of heat transfer?
Q220 Which of these determines whether or not heat flows in a system?
Q221 The mechanism of heat transfer from one point to
another through vibration of the molecules of the medium is called
-------------
Q222 One of these is an example of thermal radiation detector
Q223 One of these is NOT a basic assumption of kinetic theory of ideal gases
Q224 Thermal expansion of a solid material depends on the following EXCEPT
Q225 An image formed by a plane mirror is
Q226 Given that the specific capacity of ice is
one-half that of water, does is take more thermal energy to raise the
temperature of 5 g of water or 5 g of ice by $$6^{o}C?$$
Q227 The method of mixtures as a means of measuring
the amount of heat of a substance depends of the principle of
conservation of
Q228 Which of the following is NOT true?
Q229 diopter is theunit of
Q230 In an experiment involving the convex lens
Q231 Describe the image of candle positioned 20cm in front of a concave mirror of focal length 30cm
Q232 Which of the following is correct about tracing ray digrams with curved mirrors
Q233 Convex mirrors are mostly used as
Q234 In an experiment involving a spherical mirror,
1/v was plotted on the vertical axis and 1/u on the horizontal axis.
What is the linear magnification?
Q235 Which of the following is NOT true of experiments involving curved mirrors?
Q236 A process that is carried out in such a way
that at every instant, the system departs only infinitesimal from an
equilibrium state is said to be --------------------
Q237 The thermocouple is base on a physical principle known as ---------------------- effect
Q238 One end of a metal rod is heated by a flame and the other end is is used to melt ice. This process is possible through
Q239 A wall that thermally insulates one system from another system is called -------------- wall
Q240 The statement that "two objects each have the
same temperature with a third object and therefore their temperatures
are equal" is the -------------------- law of thermodynamics