Physics, asked by thannu242, 10 months ago

the focal length of the spherical lens is
​

Answers

Answered by viny10
5

Answer:

f=r divide by 2

Explanation:

focal length is half of the radius

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Answered by Saksham0201
4

Explanation:

The focal length of a spherical lens is the distance between the optical centre and the focal point ( the point where all the rays coming from infinity meet or appear to meet ).

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