Light- Reflection and Refraction-Important Questions

1.   What is the magnification of a plane mirror

2.   What is the radius of curvature of plane mirror?

3.   Why paper catches fire when a convex lens is used to ficus sunlight?

4.   What is silvering of mirror?

5.   What is refractive mirror?

6.   State the formula, lens formula and power of lens

7.   The refractive index of water is 1.33 and kerosene is 1.44. Calculate refractive index of the kerosene with respect to water.

8.   What kind of mirrors are used in big shopping stores to watch activities of customers?

9.   Give mirror image of word �AMBULANCE�

10.   The magnification produced by a plane mirror is +1. What does it mean?