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The focal lengths of the lenses of an astronomical telescope are  and . The length of the telescope when the image is formed at the least distance of distinct vision is

a)

b)

c)

d)


Question ID - 152894 :-

The focal lengths of the lenses of an astronomical telescope are  and . The length of the telescope when the image is formed at the least distance of distinct vision is

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (d) -

(d)

Length of the telescope when final image is formed at least distance of distinct vision is



Next Question :

For a telescope to have large resolving power the

a)

Focal length of its objective should be large

b)

Focal length of its eye piece should be large

c)

Focal length of its eye piece should be small

d)

Aperture of its objective should be large


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