The length of the tube of a microscope i...

The length of the tube of a microscope is 10 cm . The focal lengths of the objective and eye lenses are 0.5 cm and 1.0 cm . The magnifying power of the microscope is about

166

500

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The correct Answer is:

(d) We assume that final image is formed at infinity, and so
`M_(oo)=((L_(oo)-f_(o)-f_(e))D)/(f_(o)f_(e))=(LD)/(f_(o)f_(e))`
Magnifying power of the microscope, `M_(oo)=(10xx25)/(0.5xx1)=500`

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