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The objective of a telescope has focal length 120 cm and diameter 5 cm. The focal length of eyepiece is 2 cm. The magnifying power for an object at infinity is |
24 60 12 300 |
60 |
$\text{ Magnification for an object kept at infinity is }M = \frac{f_o}{f_e} = \frac{120}{2} = 60$ |
