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The Human Eye and Colourful World
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04/12/2020 12:25 pm
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A compound microscope has an objective of focal length 1.0 cm and an eyepiece of focal length 4.0 cm. If the length of the tube is 20 cm, find the magnification of the compound microscope.
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04/12/2020 12:38 pm
Focal length of the object, fo = 1.0 cm
Eyepiece of focal length, fe = 4.0 cm
Tube-length of the microscope, m = LD/fofe
= 20 x 25/1.0 x 4.0
= 5 x 25
= 125
Magnification of compound microscope is, m = 125