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Reflecting Telescope

Four lenses o...

Question

Four lenses of focal length $\pm 15$ cm and $\pm 150$ cm are available for making a telescope. To produce the largest magnification, the focal length of the eyepiece should be

A

+15 cm

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B

+ 50 cm

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C

-150 cm

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D

-15 cm

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Solution

The correct option is A +15 cm
Option A is correct

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