Physics, asked by ikavyagadehajaya, 1 year ago

The  focal  length  of  a  spherical  mirror  of  radius  of  curvature  30cm  is  ______.
A)  10cm B)  15cm

C)  20cm D)  30cm

Answers

Answered by LakshmiChandra

3

B) 15 cm is ri8 option

Answered by luckkyramyasist

3

Ans : 15 cm

becoz

R = 2f
f = R / 2

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