Physics, asked by 7903120541su, 9 months ago

An object of length 10 cm. is 1
placed in front of a Concave
mirror. An image of 5cm long is
formed at 30cm in front of the
mirror. The focal length of the
mirror is
-20cm
-30cm
-25cm
-15cm

Answers

Answered by suryavamshihn

1

Answer:

15cm

Explanation:

I guess 15cm

30-15

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