a large concave mirror casts an image of a candle on a white screen if half of the mirror is covered so what happened??
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Answer: 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. This process is known as reflection. The light rays that travels away hits other objects or in this case, a screen and then form an image of the original source.
This is the general procedure of how it happens.
In this scenario, when half of the mirror is blacked out or made impermeable, the number of rays are halved too. Hence even though the formation of image will certainly take place, the intensity or the brightness of the image will be less than the other one.
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