Question

a large concave mirror casts an image of a candle on a white screen.What will be change in the image if half of the mirror is covered?​

Answer 1

Answer:

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The intensity of the image decreases. Explanation: When a light source is cast up on the mirror, the light rays travel all along to the surface of the mirror, and the rays are reflected. ... In this scenario, when half of the mirror is blacked out or made impermeable, the number of rays are halved too.