LIGHT MCQs

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1. The velocity of light is:





2. Light waves are:





3. Corpuscular theory of light was propounded by:





4. Wave theory of light was proposed by:





5. Reflection of light is:





6. Bending of light from one medium to another is called:





7. Ratio of sine of angle of incidence to sine of angle of refraction is called:





8. Relation between focal length f and radius of curvature R is:





9. Object at C of concave mirror forms image:





10. Object within focal length of concave mirror forms image:





11. Radius of curvature = 40 cm, focal length =





12. Unit of power of lens is:





13. Focal length = 20 cm, power =





14. Object between F and 2F of convex lens image is:





15. Least distance of distinct vision is:





16. Convex lens of short focal length is used as:





17. Magnifying power of simple microscope:





18. Bending of light around sharp edges is called:





19. To measure height of distant objects we use:





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