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Compound Microscope

The focal len...

Question

The focal lengths of the objective and eye-lens of a microscope are 1 cm and 5 cm respectively. If the magnifying power for the relaxed eye is 45, then the length of the tube is [CPMT 1979]

A

30 cm

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B

25 cm

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C

15 cm

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D

12 cm

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Solution

The correct option is C
15 cm

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