When a telescope is in normal adjusment, the distance of the objective from the eyepiece is found to `100 cm`. If the magnifying power of the telescop
When a telescope is in normal adjusment, the distance of the objective from the eyepiece is found to `100 cm`. If the magnifying power of the telescope, at normal adjusment, is `24` focal lengths of the lenses are
A. 96 cm, 4 cm
B. 48 cm, 2 cm
C. 50 cm, 50 cm
D. 80 cm, 20 cm
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Correct Answer - A
In normal adjustment of telescope, magnifying power is `M = (f_(0))/(f_(e))`
Where `f_(o)` and `f_(o) = 96 cm, f_(e) = 4 cm`
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