the inner surface of the reflector of a torch acts as a mirror
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The inner surface of torch is a spherical mirror ...that mirror is concave mirror
it works on the principal that when the rays of light are parallel to principle axis after reflection they pass through the focus ...thus all the light rays are focused at the focus point .......
it works on the principal that when the rays of light are parallel to principle axis after reflection they pass through the focus ...thus all the light rays are focused at the focus point .......
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Answer:
Concave mirror
Explanation:
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