Physics, asked by shivkumar6115, 10 months ago

The rear face of an equiconvex lens of focal length 30cm is silvered so that it behave like a concave mirror .The focal length of mirror is

Answers

Answered by yashwant00

0

Answer:

30cm

Explanation:

since centre of curvature is same so focal length is also same

since f=c/2

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