Q.

Is it true that concave and convex mirrors are plane-reflecting surfaces?


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a

True

b

False

answer is B.

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Detailed Solution

The above statement is False.
Mirror whose surface is flat is known as a plane mirror, and concave and convex mirrors consist of curved surfaces; hence they are not plane-reflecting surfaces. Both flat and curved surfaces are possible for mirrors. For example, a spherical mirror is a mirror with a curved surface, whereas a plane mirror is a mirror with a flat surface.
The corrected statement is that concave and convex mirrors are curved-reflecting surfaces.
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