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The magnifying power of an astronomical ...

The magnifying power of an astronomical telescope for relaxed vision is 16 and the distance between the objective and eyelens is 34 cm. Then the focal length of objective and eyelens will be respectively

A

`17 cm, 17 cm `

B

`20 cm, 14 cm `

C

`32 cm, 2 cm `

D

`30 cm, 4 cm `

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