Science, asked by tatinadeepthichowdar, 6 months ago

define focal length

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Answered by Anonymous

Answer

Focal length is the distance between the center of a convex lens or a concave mirror and the focal point of the lens or mirror — the point where parallel rays of light meet, or converge. It is of an optical system.

Answered by arjunsing1104

Answer:

the distance between the pole of a mirror or a lens and its focus is called it's focal length

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define focal length​

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define focal length