Physics, asked by chikki1657, 11 months ago

The power of a combination of two lenses X and Y is 5 D . If the focal length of lens X be 15 cm : a) calculate the focal length of lens Y.b) State the nature of lens Y .lens used by student x

Answers

Answered by Suhailan0129

0

Answer:

focal length of lens X is 6.6D. the lens Y is a concave lens and lens X is a convex lens

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