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The magnifying power of a telescope with tube length \( 60 \mathrm{~cm} \) is 5 . What is the focal length of its eye pi…

Q1

The magnifying power of a telescope with tube length \( 60 \mathrm{~cm} \) is 5 . What is the focal length of its eye piece ?

a

\( 30 \mathrm{~cm} \)

b

\( 10 \mathrm{~cm} \)

c

\( 40 \mathrm{~cm} \)

d

\( 20 \mathrm{~cm} \)

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