Physics, asked by piyushkumar8839, 4 months ago

Both a spherical mirror and a thin spherical lens have a focal length of (+20cm). What type of mirror and lens are these? (hi give me your WhatsApp number)​

Answers

Answered by rajukumar762554
0

Answer:

Negative focal length is a characteristic of concave mirror and concave lens. Hence, both mirror and the lens are concave.

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