Question

What is the focal length of a spherical mirror whose radius of curvature is 16 cm:​

Answer 1

Answer:

8 cm

Explanation:

focal length is half of radius of curvature

so,  16/2 =  8

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Answer 2

$f = + 16 \\ \\ the \: radius \: of \: curvature \\ \\ f = \binom{r} {2} \\ \\ r = 2f = 2 \times 16 \\ \\ r = 32$

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