Question

1. If light is incident in the air medium at an angle of 30 degree, what is the angle of reflection? a) 40 degrees b) 20 degrees c) 30 degrees d) none 2. Angle of reflection does not depend upon the angle of incidence. a) true b) false 3. For light ray incident normally, the angle of incidence is 90 degrees. a) true b) false 4. Angle of refraction depends upon the angle of incidence. a) true b) false 5. If light is incident from water to air, the angle of refraction will be greater than the angle of incidence. a) true b) false 6. If light is incidence from air to water, the angle of refraction will be less than the angle of incidence. a) true b) false 7. The least deviated color for prism dispersion is: a) yellow b) red c) orange d) none 8. The most deviated color in prism dispersion is: a) blue b) none c) red d) green e) orange 9. Light dispersion is produced: a) both in a prism and in a rainbow b) in a rainbow c) in a mirror d) none e) in a prism f) in a lens 10. A concave lens diverges a light beam but a convex lens converges a light beam. a) true b) false

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Answer 1