An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and the eye piece is 36 cm and the final image is formed at infinity. The focal length f o of the objective and the focal length f e of the eye piece are
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Verified by ExpertsThe correct answer is:
D
In this case 
.... (i)
and length of telescope 
.... (ii)
Solving (i) and (ii), we get f e = 6 cm, 
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