Question

Derive an expression for the total magnification of a compound microscope.​

Answer 1

Explanation:

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Answer 2

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>> Angular magnification of objective lens m0 = linear magnification h'/h.

(SEE THE ATTACHMENT)

where L is the distance between second focal point of the objective and first focal point of eyepiece. If the final image A'' B'' is formed at the near point.

Angular magnification me = (1+ D/fe)

If the final image A'' B'' is formed at infinity, then angular magnification me =D/fe . . . (2)

Thus, total magnification of the compound microscope.

M = m0 x me

= L/f0 x D/fe

:)