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Limit of Resolution

In case of an...

Question

In case of an astronomical telescope, the distance between the objective lens and the eyepiece is equal to : (final image is at $\infty$ )

A

f_{0} + f_{e}

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B

f_{0} - f_{e}

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C

\frac{f_{0}}{f_{e}}

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D

\frac{f_{e}}{f_{0}}

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Solution

The correct option is B $f_{0} + f_{e}$
As seen in diagram the distance between the objective lens and the eyepiece is equal to $f_{0} + f_{e}$

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