Physics, asked by tingjumruangt4121, 7 months ago

A converging lens of 4 dioptre and a diverging lens of 3 dioptre are combined together.what is the focal length of the combination

Answers

Answered by ankitpandit94

1

Answer:

+1 dioptre

Explanation:

+4+(-3) = +1

add both power is total power

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