Physics, asked by pratikroy7801, 10 months ago

How many principal foci a convex lens has?​

Answers

Answered by Anonymous
2

Answer:

two

However a convex lens has two spherical surfaces and hence it has two principal foci or two focal points which are usually denoted by the letters 'F1' and 'F2' and are known as the first principal focus (F1) and the second principal focus (F2).

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