The angular magnification of astronomical telescope of distant object is 5 If the distance between objective and eye piece - Physics - Ray Optics And Optical Instruments

Question

The angular magnification of astronomical telescope of distant
object is 5 If the distance between objective and eye piece is 36
cm and the final image is formed at infinity then the focal length
of its objective and eye piece will be?

Anshu Agrawal · Accepted Answer

Solution:
m=5,d=36 cm,final image is at infinitym=fofefofe=5, fo=5fefo+fe=365fe+fe=366fe=36fe=6cm ,fo=30cm

The angular magnification of astronomical telescope of distant object is 5. If the distance between objective and eye piece is 36 cm and the final image is formed at infinity then the focal length of its objective and eye piece will be?