alleryFor a spherical mirror, the focal length f and radius of curvature R are related by:
A$f = 2R$
B$f = \dfrac{R}{4}$
C$f = \dfrac{R}{2}$
D$f = R$
Answer & Solution
Correct answer: C. $f = \dfrac{R}{2}$
For spherical mirrors, f = R/2.
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