The objective lens and the eyepiece lens of a telescope are 1.0 m apart. the telescope has an angular magnification of 45. part a find the focal length of the eyepiece. express your answer with the appropriate units. fef e = nothing nothing request answer part b find the focal length of the objective. express your answer with the appropriate units. fof o = nothing nothing

(A) 0.0217 m

(B) 0.9765 m

Explanation:

Distance between the objective lens and the eye piece, d = 1.0 m

Angular magnification, m = 45

Now,

(A) To calculate the focal length of objective:

where

= focal length of object

= focal length of eye piece

Thus

             (1)

From eqn (1):

(B) To calculate the focal length of eye piece:

From eqn (1):

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