Science, asked by rashpalrandhawa1979, 10 months ago

define the focal length of a lens​

Answers

Answered by PeacefulSoul
7

Answer:

Focal length (shown in red) 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.

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Answered by jastisridhar1400
3

Answer:

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

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