Physics, asked by Fatimayash, 1 month ago

second focal point of concave lens

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Answered by vaibhav2102007

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Answer:

PLEASE MARK ME BRAINLIEST

Answered by MamtaPargai

1

Answer:

However, a concave lens has two spherical surfaces and therefore it has two principal focal points. The second principal focal point is that point where any light ray travelling towards the focal point on the way to the lens will refract through the lens and travel parallel to the principal axis.

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