Question

the focal length of a concave mirror is 10 cm its radius of curvature will be

Answer 1

Here Is Your Answer My Friend !!!

As we know R = 2f
f = 10cm
R = 2 × 10
R = 20cm

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Answer 2

We know that,

R= 2f

f=10 cm

R=2×10

R=20 cm

Explanation:

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