1.

Derive the Magnification of a compound.

Answer»

Solution :MAGNIFICATION (MAGNIFYING power) of a compound microscope is the product of magnification of objective lens and the eye piece `M = M_(o) XX M_e`
Magnification of eye lens `M_(o)=v/u`
Magnification of eye lens `M_e =1+D/f`
`M=M_o xx M_e`
`M= v/u (1+D/(f_(E)))`
This equation can also be written as
`M=(v/(f_(0))-1) (1+D/(f_e))`


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