English

The inner surface of the reflector of a torch acts as a ______ mirror.

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Question

The inner surface of the reflector of a torch acts as a ______ mirror.

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Solution

The inner surface of the reflector of a torch acts as a concave mirror.

Explanation:

The inner surface of the reflector in a torch is curved inward, like a concave mirror. This shape reflects and focuses light from the bulb into a narrow beam, making the light more directed and useful for illumination. A concave mirror converges light rays to a focal point, which is why it’s used in torches to focus the light.

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Chapter 15: Light - VERY SHORT ANSWER QUESTIONS [Page 81]

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NCERT Exemplar Science [English] Class 7
Chapter 15 Light
VERY SHORT ANSWER QUESTIONS | Q 10. (d) | Page 81
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