The focal length of the objective lens of a compound microscope is [CPMT 1985; MNR 1986; M
Less than the focal length of eye piece
Greater than the focal length of eye piece
Any of the above three
If in compound microscope m1 and m2 be the linear magnification of the
objective lens and eye lens respectively, then magnifying power of the
compound microscope will be
[CPMT 1985; KCET 1994]