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The focal len...

Question

The focal length of the objective lens is _______ focal length of eyepiece.

A

greater than

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B

smaller than

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C

equal to

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D

None of these

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Solution

The correct option is B smaller than
The ray diagram of a compound microscope is shown below.

From the figure, we can see that, the focal length of the objective lens is smaller than the focal length of the eyepiece.

Hence, option $(B)$ is the correct answer.

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