If the focal length of objective lens is increased, then magnifying power of:
A. microscope will increase but that of telescope decrease
B. microscope and telescope both will increase
C. microscope and telescope both will decrease
D. microscope will decrease but that of the telescope will increase
Answer:D
If the focal length of objective lens is increased, then magnifying power of:
A. microscope will increase but that of telescope decrease B. microscope and telescope both will increase C. microscope and telescope both will decrease D. microscope will decrease but that of the telescope will increase