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Compound Microscope

the focal len...

Question

the focal length of objective lens and eyepiece for a compound microscope are $0.95$ and $5$ cm and they are placed at $20$ from each

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Solution

$l = 20 c m, f = 0.95 c m$
$F e = 5 c m, D = 25 c m$
$\frac{L D}{f o f e} = \frac{20 \times 25}{0.95 \times 5} = 105.26$

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