Physics, asked by raj403652, 9 months ago

what is focal length​

Answers

Answered by Anonymous
1

Explanation:

The focal length of an optical system is a measure of how strongly the system converges or diverges light; it is the inverse of the system's optical power.

Answered by ps6604993
0

Answer:

it is hlf of the radius of carvature

Explanation:

it is the distance between pole to fucus

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