Home
Class 12
PHYSICS
The magnifying power of an astronomical ...

The magnifying power of an astronomical telescope can be increased, if we-

A

increase the focal length of the objective

B

increase the focal length of the eye-piece

C

decrease the focal length of the objective

D

decrease the focal length of the objective and at the same time increase the focal length of the eye piece

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise CUQ (ASSERTION & REASON)|16 Videos

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE - 1 (C.W)(REFLECTION)|9 Videos

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise CUQ (OPTICAL INSTRUMENTS MICROSCOPES)|6 Videos

  • NUCLEI

    NARAYNA|Exercise ASSERTION & REASON|5 Videos

  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-II (H.W)|36 Videos

Similar Questions

Explore conceptually related problems

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

The magnifying power of a simple microscope can be increased, if we use eye-piece of

The magnifying power of a compound microscope can be increased by

The magnifying power of an astronomical telescope is 5, the focal power of its eye piece is 10 diopters. The focal power of its objective (in diopters) is

The object of astronomical telescope has

The magnifying power of an astronomical telescope is 5 . When it is set for normal adjustment, the distance between the two lenses is 24 cm . Calculate the focal lengths of eye piece and objective lens.

The magnifying powers of astronomical telescope and terrestrial telescope same, why ?