Physics, asked by mangalam1604, 9 months ago

An object is kept 10cm infront of concave mirror and and its real image is formed of 30cm apart. Find the focal length of mirror.

Answers

Answered by archanadss2811

1

Explanation:

bhai mangalam sunn

we know that focal length = r/2

so we will add. 30+10=40/2

=so ans = 20.

hope it helps

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