1) what are the laws of Refraction? a) The incident ray the normal at the point of incidence and the refracted ray all lie in the same plane b) the ray of light falling to the mirror c) For a given pair of media and given colour of light the ratio of the sine of angle of incidence i to the sine of angle of refraction r is a constant . d) light travel in a straight line e) both a and c f) Both d and c 2) When an object is at infinity the image is formed at? a) at centre of curvature b) beyond centre of curvature c) Between F and centre of curvature d) At focus e) At infinity f) Between pole and focus 3) Image formed in convex mirror is a) virtual inverted b) real inverted c) real erect diminshed d) Both a and b e) Both b and c f) virtual erect diminshed 4) Convex mirror is used as a) Shaving mirror b) Reflector in torch c) Rear view mirror d) headlight e) doctors head mirror f) Searchlight

Physics Quiz

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