Question

A spherical mirror and lens have same focal length of -X cm. What types of
mirror and lens are these?​

Answer 1

Answer:

A concave mirror and concave lens have negative focal length. Hence, both mirror and lens are concave.Read more on Sarthaks.com - https://www.sarthaks.com/22375/spherical-mirror-and-lens-have-same-focal-length-of-cm-what-type-of-mirror-and-lens-are-these

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