Physics, asked by Anonymous, 1 year ago

The radius of the curvature of a concave mirror is 40cm. find its focal length?

Answers

Answered by SriVardhan
4
Given,
C = 40cm

F=?

By the formula,
C = 2F
F = C/2
F = 40/2
Therefore, F = 20cm
Answered by Anonymous
3
  The formula for this:
   F = C/2
   F = 40/2
∴ F = 20cm
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