Physics, asked by gurpartapbuttar39, 4 months ago

A mirror has focal length - 20 c m. What can you say about the nature of the mirror

Answers

Answered by anuragbaghel6796

2

Explanation:

It is concave mirror as focal length of concave mirror is negative.

Answered by Anonymous

1

Question ⇩

A mirror has focal length - 20 c m. What can you say about the nature of the mirror

Answer ⇩

The mirror having -20 cm as its focal length is a concave mirror because the focal length is taken negatively only in case of a concave mirror.

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