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Question:
Please​ discribe the formula​ used for the magnification produced by optical instruments​
Answer:

1. Angular magnification or Magnifying power of a simple micriscope.

m= 1+D/f

D is image distance from lens and f is focal length.

2. For Compound microscope-

m= -L/fo (1+D/fe )

fo= focal length of objective lens

fe= focal length of eyepiece

 

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