An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and the eye-piece is 36 cm and the final image is formed at infinity. The focal length 
of the objective and the focal length 
of the eye-piece are
a)
b)
c)
d)
An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and the eye-piece is 36 cm and the final image is formed at infinity. The focal length of the objective and the focal length of the eye-piece are
a)
b)
c)
d)
Question ID - 152668 | SaraNextGen Top Answer
An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and the eye-piece is 36 cm and the final image is formed at infinity. The focal length of the objective and the focal length of the eye-piece are
a)
b)
c)
d)
|
An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and the eye-piece is 36 cm and the final image is formed at infinity. The focal length |
|||
|
a) |
|
b) |
|
|
c) |
|
d) |
|
1 Answer
127 votes
Answer Key / Explanation : (d) -
|
(d)
And length of telescope
Solving eqs (i) and (ii), we get
|
127 votes
Answer Link
127