The length of the tube of a microscope is 10cm.The lengths of the objective and eye lenses are 0.5cm and 1cm respectively. The magnifying power of the microscope when the images at far point is about
5
23
166
500
A
166
B
5
C
23
D
500
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Solution
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Given, Length of tube microscope, L=10cm
Focal length of objective lens, fo=0.5cm
Focal length of eye lens, fe=1cm
The image is formed at the far point. Hence, using the formula for normal adjustment, we have m=vouoDfe
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