Physics, asked by anujjaiswal38, 1 year ago

A convex lens of focal length 20 cm and a concave lens of focal length 5 cm are kept along the same axis with a separation ‘d’ between them. what is the value of d, if a parallel beam of light incident on convex lens, leaves the concave lens as a parallel beam?

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Answered by Anonymous

0

-12)³+(7)³+(5)³ hope it works thanks for asking

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