Default for ESM238 The default category for questions shared in context 'ESM238'. Fill in the Blank (FBQs) FBQ1 The more linear and directive radiations are characterized with _______ wavelengths. *Shorter wavelength* 1.0000000 0.0000000 FBQ2 Ability of the photographic system to sharply define image is ____ *Resolution* 1.0000000 0.0000000 FBQ3 About ____% of the solar radiations reaches the earth surface *50* 1.0000000 0.0000000 FBQ4 The use of images from the various regions of the Electromagnetic Spectrum is known as ____ *Multi-Spectral* 1.0000000 0.0000000 FBQ5 The _______ of an object is the degree of reflectance of the object over a broader segment of the electromagnetic spectrum. *Albedo* 1.0000000 0.0000000 FBQ6 Thermal radiation from a black body is a function of _______and wavelength *Temperature* 1.0000000 0.0000000 FBQ7 _____ remote sensing is a type of microwave remote sensing in the microwave region *Passive Microwave* 1.0000000 0.0000000 FBQ8 _______ coefficient is detected in Active microwave remote sensing *Back scattering* 1.0000000 0.0000000 FBQ9 ____________ is used to detect EMR reflected off a surface in a specified spectral band *Radiometer* 1.0000000 0.0000000 FBQ10 _________ Theory may be used to express Thermal Radiation *Black Body* 1.0000000 0.0000000 FBQ11 Scattering by aerosols with larger size than the wavelength of the sunlight is called __________ *Mie Scattering* 1.0000000 0.0000000 FBQ12 ________ decay produces only a small amount of electromagnetic energy *Radioactive* 1.0000000 0.0000000 FBQ13 The use of images from various regions of EM spectrum is ___________ *Multispectral* 1.0000000 0.0000000 FBQ14 On a scale of 1:25,000, one kilometer on the map may be represented by _______ centimeters *4* 1.0000000 *Four* 1.0000000 FBQ15 _______is each distinguishable variation from white to black *Tone* 1.0000000 0.0000000 FBQ16 __________ Is the spatial arrangement of objects in aerial photos *Pattern* 1.0000000 0.0000000 FBQ17 The spectral range of near Infrared and short range infrared is sometimes called the ____________ *Reflective Infrared* 1.0000000 0.0000000 FBQ18 The sun radiates electromagnetic energy with a peak wavelength of ________ *0.5 µm* 1.0000000 *0.5µm* 1.0000000 FBQ19 The source of radiant energy used in thermal infrared remote sensing is the ____________ *Object itself* 1.0000000 0.0000000 FBQ20 When electromagnetic energy is taken in by an opaque medium _____________ occurs. *Absorption* 1.0000000 0.0000000 FBQ21 Of the incoming solar radiation reaching the earth’s surface, only _____% is reflected back into the atmosphere *4* 1.0000000 *FOUR* 1.0000000 FBQ22 The process of transmission of electromagnetic radiation through the atmosphere, and the influence of the atmosphere, is called_________ *Radiative transfer* 1.0000000 0.0000000 FBQ23 The distance from the middle of the camera lens to the focal plane is called __________ *Focal length* 1.0000000 0.0000000 FBQ24 The ratio of the distance between two points on a photo to the actual distance between the same two points on the ground is called__________ *Scale* 1.0000000 0.0000000 FBQ25 If the focal length of a camera is 152 mm and the plane’s altitude above ground level is 7,600 m, the scale of the map will be __________ *1:50,000* 1.0000000 *1/50,000* 1.0000000 FBQ26 If the focal length of a camera is 50 mm and the plane’s altitude above Ground Level is 50000 cm, the scale of the map will be __________ *1:1,000,000* 1.0000000 *1/1,000,000* 1.0000000 0.0000000 FBQ27 If the scale of a photo is 1 mm = 50 m, the ratio scale will be _______ *1:500,000* 1.0000000 *1/500,000* 1.0000000 FBQ28 _________ scale photos covers small areas *Large* 1.0000000 0.0000000 FBQ29 Maps show _______details with large scales *Greeter* 1.0000000 0.0000000 FBQ30 A 3-dimensional view which results when two overlapping photos are placed side by side using a stereoscope is known as __________ *Stereoscopic Coverage* 1.0000000 *Stereoscopic view* 1.0000000 FBQ31 Unique index numbers on aerial photographs are called _________ *Roll and Photo numbers* 1.0000000 0.0000000 FBQ32 A _________ is a photographic reproduction of a series of aerial photographs put together in such a way that the details of one photograph matches the details of all adjacent photographs *Mosaic* 1.0000000 0.0000000 FBQ33 The arrangement of objects with respect to one another or terrain features in aerial photographs is known as _________ *Site* 1.0000000 0.0000000 FBQ34 Field verification can be considered as a form of _________ material *Collateral* 1.0000000 0.0000000 FBQ35 The successive overlapping of images taken along a given flight line is known as ___________ *Multi-Station* 1.0000000 0.0000000 Multiple Choice Questions (MCQs) MCQ1 Remote sensing deals with_______ acquisition Word 0.0000000 Knowledge 0.0000000 Data 1.0000000 Trees 0.0000000 MCQ2 The following are aspects of Remote sensing except __________ Photogeology 0.0000000 Photogrammetry 0.0000000 Mineral chemistry 1.0000000 Aerial Photographs 0.0000000 MCQ3 ________ scattering by atmospheric molecules is smaller than wavelength of the sun Rayleigh 1.0000000 Short put 0.0000000 Short Scatter 0.0000000 Long Scatter 0.0000000 MCQ4 The Sun does generate _________electromagnetic energy required in sensing Some 0.0000000 All 1.0000000 Platform 0.0000000 Emission 0.0000000 MCQ5 Areas of the electromagnetic spectrum that allows easy passage of atmospheric rays are called._________ Partial Bands 0.0000000 Binds 0.0000000 Absorption 1.0000000 Moon 0.0000000 MCQ6 The temperature below which emission will not begin is_____________ 10 K 0.0000000 Absolute zero 1.0000000 5 K 0.0000000 3 K 0.0000000 MCQ7 ________devices are used in the study remote sensing Water tight 0.0000000 Sand proof 0.0000000 Recording 1.0000000 Walk tight 0.0000000 MCQ8 The Sun does generate electromagnetic energy required in sensing True 1.0000000 False 0.0000000 Uncertain 0.0000000 None 0.0000000 MCQ9 Areas of the electromagnetic spectrum that allows easy passage of atmospheric rays are called___________ Easy bands 0.0000000 Transmission 1.0000000 Vertical bands 0.0000000 Runosol 0.0000000 MCQ10 Cameras used to acquire oblique images are ___________held Plane 0.0000000 Leg 0.0000000 Oblique 0.0000000 Hand 1.0000000 MCQ11 ________ are used to acquire reflectance characteristics of an area Radiometers 1.0000000 Radios 0.0000000 Videos 0.0000000 Meters 0.0000000 MCQ12 Scattering depends on direction of incident light False 0.0000000 True 1.0000000 Incorrect 0.0000000 None 0.0000000 MCQ13 A photographic scale of 1 millimeter representing 20 meters on the ground is expressed as________ 1:2000 0.0000000 1:20000 1.0000000 1:200000 0.0000000 1:2000000 0.0000000 MCQ14 The amount by which one photograph covers the area of another is known as________ Overskip 0.0000000 Overstep 0.0000000 Overlap 1.0000000 Underlap 0.0000000 MCQ15 Small registration mark on the edge of an aerial photograph is called ________ Judicial marks 0.0000000 Fiducial marks 1.0000000 Dental mark 0.0000000 Paper mark 0.0000000 MCQ16 A photographic scale of 1:50000 means 1 cm on the map represents what on the ground? 50000 cm 0.0000000 5000 m 0.0000000 500 meters 1.0000000 5 kilometers 0.0000000 MCQ17 Rays detected by Remote Sensing Devices are _________ Electromagnetic 1.0000000 Electrical only 0.0000000 Magnetic only 0.0000000 Magneto-sensitive 0.0000000 MCQ18 Stereographic coverage of an area is usually a ________plate 1-D 0.0000000 2-D 0.0000000 4-D 0.0000000 3-D 1.0000000 MCQ19 Tone is each distinguishable variation from _______to _______? Blue to red 0.0000000 Green to White 0.0000000 Black to White 1.0000000 Red to Green 0.0000000 MCQ20 When prints are tone matched and rectified to fit base map, the map is said to be _____________ Uncontrolled 0.0000000 Controlled 0.0000000 Fit 1.0000000 Unfit 0.0000000 MCQ21 Frequency of change and arrangement of tones is known as _______? Time 0.0000000 Texture 1.0000000 Tone-march 0.0000000 Dark 0.0000000 MCQ22 The use of photography to obtain reliable data is called________ Photography 0.0000000 Phototruth 0.0000000 Photogrammetry 1.0000000 Photodetails 0.0000000 MCQ23 Air photo index maps relate air photos to ___________ Geographic location 1.0000000 Atmospheric index 0.0000000 Groundwater 0.0000000 Mineral Index 0.0000000 MCQ24 Data collection in remote sensing involves which of the following? Emission 0.0000000 Reflection 0.0000000 Platform 0.0000000 All 1.0000000 MCQ25 Photographic cameras use _______coated systems to record images Video 0.0000000 Film 1.0000000 Radio 0.0000000 Phone 0.0000000 MCQ26 The spatial arrangement of objects in aerial photos is called_____ Deed 0.0000000 Distribution 0.0000000 Pattern 1.0000000 Texture 0.0000000 MCQ27 Waves whose spatial range is more influenced by Solar reflection rather than emission from the ground surface are called__________ Ground Infrared 0.0000000 Emission Infrared 0.0000000 Reflective Infrared 1.0000000 Atmospheric Infrared 0.0000000 MCQ28 The Spatial signature of an object is its _____ of ______ over a range of wavelength Commonality of wavelengths 0.0000000 Pattern of reflectance 1.0000000 Scatter of array 0.0000000 Many of waves 0.0000000 MCQ29 Trimetregon camera has an array of ______cameras and takes simultaneous overlapping images in a mountainous terrain 2 0.0000000 3 1.0000000 4 0.0000000 5 0.0000000 MCQ30 Reflectance is the ratio of ________ on a sample surface to reflected flux from the surface is it's_________ Absorbance flux 0.0000000 Transmittance flux 0.0000000 Incidence flux 1.0000000 Emittance flux 0.0000000 MCQ31 The reduction of the intensity of sunlight as it moves through the atmosphere is known as _______ Extinction 1.0000000 Reduction 0.0000000 Absorption 0.0000000 Reflection 0.0000000 MCQ32 The process of transmission of the electro-magnetic radiation through the atmosphere and influence of the atmosphere is called………………………………. Electric Transfer 0.0000000 Radioactive transfer 1.0000000 Magnetic transfer 0.0000000 Union transfer 0.0000000 MCQ33 Images obtained from remote sensing platforms with higher altitudes always have ______scale Large 0.0000000 Small 1.0000000 Medium 0.0000000 Insignifcant 0.0000000 MCQ34 Radiations from Objects used in remote sensing are called________ Electronic radiations 0.0000000 Magnetic radiations 0.0000000 Electromagnetic radiations 1.0000000 Radioactive radiations 0.0000000 MCQ35 Remote sensing deals with data_______ Transportation 0.0000000 Adoration 0.0000000 Acquisition 1.0000000 Overloading 0.0000000