In an astronomical telescope the focal lengths of objective and eyepiece should respectively be :
large and small
small and large
equal
too small are too large

Question

In an astronomical telescope the focal lengths of objective and eyepiece should respectively be -large and smallsmall and largeequaltoo small are too large

Toppr Admin · Accepted Answer

In an astronomical telescope- two convex lenses are used for different focal lengths- In which the lens with large focal length is an objective lens which is used to see large distance objects like stars or planets and the one with small focal is eyepiece- Hence correct option is A-

In an astronomical telescope the focal lengths of objective and eyepiece should respectively be :large and smallsmall and largeequaltoo small are too large

In an astronomical telescope, two convex lenses are used for different focal lengths. In which the lens with large focal length is an objective lens which is used to see large distance objects like stars or planets and the one with small focal is eyepiece. Hence correct option is A.

In an astronomical telescope the focal lengths of objective and eyepiece should respectively be :
large and small
small and large
equal
too small are too large