Course Code phy192 Question The mirror formula relates I- focal length of the mirror II- object distance III- image distance IV- principal focus Answer I, II and III only Question Convex mirror is a curved mirror which is silvered_______________ Answer from inside Question Concave mirror is a curved mirror which is silvered_______________ Answer in its outer side Question Which of these precautions must be ensured in an experiment to verify Snell's law? Answer the pins are in line before removing the glass block Question Which of the following is required in an experiment to determine the focal length of a mirror? Answer All of the above Question All the following are required as apparatus in refraction using glass block experiment EXCEPT Answer G-Clamp Question Which of the following experiments can be suitably used to practically determine the angle of minmum deviation? Answer Refraction experiment by triangular glass prism Question Which of the following experiments can be suitably used to practically verify the laws of refraction? Answer Refraction through the glass block experiment Question Which of the following is not a right precaution in experiment to determine the refractive index of glass? Answer The two pins erected should NOT be straight. Question What is the bending of a ray of light when it travels through a medium called? Answer refraction Try Another Search