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

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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Grade:11

1 Answers

Arun
25750 Points
5 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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