The focal length of the objective and the eyepiece of a telescope are – McqOptions

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1.	The focal length of the objective and the eyepiece of a telescope are 50 cm and 5 cm respectively. If the telescope is focused for distinct vision on a scale distant 2m from its objective, then its magnifying power will be:
A.	-4
B.	-8
C.	8
D.	-2
Answer» E.

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