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Question

Question 1

Observe the picture given in Fig. carefully.

A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?

(a) A wooden board

(b) A glass sheet

(c) A mirror

(d) A sheet of white paper


Solution

Option (c) is the correct answer.

A patch of light will be formed at the screen when the light from the torch gets reflected from point A and reaches the screen. A mirror is an object that reflects light falling on it. So inorder to get a patch of light, a mirror should be placed at position A. 


Physics
NCERT Exemplar
Standard VI

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