Question

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Answer 1

Answer:

Q 1 ) State the laws of reflection of light :-

Ans) The laws of reflection are :-

a) Angle of incidence is equal to the angle of refraction

b) The incident ray the reflected ray and the normal all lie in the same plane.

Q 2) state four uses of plane mirrors

Ans) The uses of plane mirrors are:-

1. Plane mirrors are used as a looking glass.
2. Plane mirrors are used in periscopes.
3. Plane mirrors are used in solar cookers.
4. Plane mirrors are also used for Security and Safety purposes.