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The magnifying power of an astronomical ...

The magnifying power of an astronomical telescope is 8 and the distance between the two lenses is `54 cm`. The focal length of eye lens and objective lens will be respectively

A

6 cm and 48 cm

B

48 cm and 6 cm

C

8 cm and 64 cm

D

64 cm and 8 cm

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The correct Answer is:
a
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