Math, asked by Anonymous, 7 months ago

define focal length..

Answers

Answered by shirishanaidu499

Answer:

the distance between the centre of a lens or curved mirror and its focus.

Step-by-step explanation:

Answered by mdrafiqmullarafiqmul

the distance from a focal point of a lens or mirror to the corresponding principal plane. Symbol: f. the distance between an object lens and its corresponding focal plane in a telescope.

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define focal length..​

Answers

define focal length..