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Standard X
Physics
Image Formation by Convex Lens
19.a astronom...
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19.a astronomical telescope has objective and eyepeice of focal length 40 cm and 4 cm resp. to veiw an object 200 cm away from the objective, the lenses must be separated by distance?
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Q.
A astronomical telescope has objective and eyepiece of focal lengths
40
c
m
and
4
c
m
respectively. To view an object
200
c
m
away from the objective, the lenses must be separated by a distance:
Q.
An astronomical telescope has objective and eyepiece of focal lengths
40
cm
and
4
cm
respectively. To view an object
200
cm
away from the objective, the lenses must be separated by a distance of-
Q.
An astronomical telescope has objective eyepiece of focal lengths 40 cm and 4 cm respectively. To view an object 200 cm away from the objective lens, the lenses must be separated by a distance,
Q.
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80
cm
and
5
cm
respectively. Find its magnifying power, if the final image is formed at a distance of
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Q.
A terrestrial telescope has an objective lens and eyepiece of focal length
200
cm
and
4
cm
respectively. Separation between the objective lens and the eyepiece is
220
cm
. The power of the erecting lens is
n
2
D
. The value of
n
(integer only)
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