The focal lengths of the lenses of an astronomical telescope are 50 cm – McqOptions

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1.	The focal lengths of the lenses of an astronomical telescope are 50 cm and 5 cm. The length of the telescope when the image is formed at the least distance of distinct vision is [EAMCET (Engg.) 2000]
A.	\[45\,cm\]
B.	\[55\,cm\]
C.	\[\frac{275}{6}\,cm\]
D.	\[\frac{325}{6}\,cm\]
Answer» E.

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