Question
The focus is defined for a concave mirror but not for a convex mirror because :
Answer: Option D
:
D
The design of a convex mirror is in such a way that parallel rays of light after reflection from the convex mirror, diverge. These rays do not converge at a point as in the case of a concave mirror. But if we extrapolate the reflected rays, we can say they appear to meet at a point on the non-reflecting side of the mirror. We actually define this point as focus of a convex mirror.
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:
D
The design of a convex mirror is in such a way that parallel rays of light after reflection from the convex mirror, diverge. These rays do not converge at a point as in the case of a concave mirror. But if we extrapolate the reflected rays, we can say they appear to meet at a point on the non-reflecting side of the mirror. We actually define this point as focus of a convex mirror.
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