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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 will be respectively.

A

`48 cm, 6 cm`

B

`8 cm, 64 cm`

C

`64 cm, 8 cm`

D

`6 cm, 48 cm `

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4
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