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  1. Magnification of compound microscope is not connected with
    1. numerical aperture
    2. focal length of objective
    3. focal length of eye piece
    4. tube length
Correct Option: A

Magnification is defined as the power of enlargement. Magnification of compound microscope is the product of magnification of objective lens and magnification of ocular lens.

Magnification =
Size of the image with the instrument
Size of the image with the unaided eye

Objective lens × Ocular lens
40 x 10 x
Magnification = 400 times.
Magnification is defined as the power of enlargement.
Magnification =
Size of the image with the instrument
Size of the image with the unaided eye



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