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27. Answer the following questions in short XIV

1. What is reflection of light?

a. The bouncing back of light from an objects reflecting surface is known as .

b. The reflection of light takes place when the light rays fall on a .

2. If a ray of light is falling on a plane mirror at an angle of \(50\) degree is formed, what will be the angle of reflection?

a. If a ray falls on a plane mirror, it obeys .

b. The angle of reflection is °.

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