Science, asked by swastikmohanty82, 9 months ago

What is second focus of a concave lens? ​

Answers

Answered by llxdevilgirlxll
3

Answer:

Second Focal length : The distance of second principal focus of the lens from the optical centre 'O' of the lens is called second focal length of convex lens. It is represented by 'f2' i.e. OF2 = f2

Thanku ❤️

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