Physics, asked by akriti87, 10 months ago

The power of a combination of two lenses X and Y is 5D. If the focal length of

lens X be 15 cm, then

a). calculate the focal length of lens Y.

b). State the nature of the lens Y.

Answers

Answered by zaahidshaikh

0

a) focal length of Y is -42.73cm

b) lens Y is a concave lens

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