1.

When tube length of compound microscope is increased, then its magnifying power ......

Answer»

INCREASES
DECREASES
doesn.t change
none of these

Solution :Magnifying power of compound microscope, In `m= (L)/(f_0)xx(D)/(f_e), D, f_0,` and `f_e` are constant.
`THEREFORE m prop L`
Hence, magnifying power increases with INCREASE in tube length.


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