Q.

A rough surface produces a ____[regular/diffused] reflection.


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Detailed Solution

A rough surface produces a diffused reflection.
A regular reflection is formed on a polished surface, and diffused reflection is formed on a rough surface—for example, a steel plate, when new, produces a clear image in the reflection. But, as it becomes old, the image is not clear. This is because we scrub the plate while washing, and the surface becomes rough.
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