InterviewSolution
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InterviewSolution
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If the focal length of the objective lens is increased thenA. microscope will increase but that of electroscope decreaseB. microscope and telescope both will increaseC. microscope and telescope both will decreaseD. microscope will decrease but that of telescope will increase |
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Answer» Correct Answer - D For microscope, `m=(L)/(f_(v))(D)/(f_(e)) Rightarrow m alpha (1)/(f_(v))` `"For telescope" m=(f_(v))/(f_(e)), m alpha f_(v)` The magnifying power of microscope will decrease but the magnifying power telescopw will increase. |
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