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Grade 11Wave Optics

The focle length of objective and eyepiece of microscope are 1cm and 5cm. Magnifying power is 45. Then the find length of microscope.

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Profile image of Chapte Mahadev Narsing
7 Years agoGrade 11
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1 Answer

Profile image of Arun
7 Years ago
Dear student
 
Use formula
 
m(infinity) = (L – fo – fe) D / fofe
 
 45 = (L – 1 – 5)* 25 / 5
 
L – 6 = 9
 
L = 15 cm

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