The objective of a telescope has focal length \( 120 \mathrm{~cm} \) and diameter \( 5 \mathrm{~...

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The objective of a telescope has focal length \( 120 \mathrm{~cm} \) and diameter \( 5 \mathrm{~cm} \). The focal length of the eyepiece
\( \mathrm{P} \)
is \( 2 \mathrm{~cm} \). The magnifying power of the telescope for
W
distant object is
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