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The magnifying power of an astronomical ...

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

A

17 cm, 17 cm

B

20 cm, 14 cm

C

32 cm, 2 cm

D

30 cm, 4 cm

Text Solution

Verified by Experts

The correct Answer is:
C
`M=f_(0)/f_(e),L=f_(0)+f_(e)`
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Knowledge Check

  • An astronomical telescope has a magnifying power of 10 . In normal adjustment, distance between the objective and eye piece is 22 cm . The focal length of objective lens is.

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