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प्रश्न
Draw a labelled schematic ray diagram of astronomical telescope in normal adjustment.
उत्तर
In normal adjustment of telescope, the final image is formed at infinity.
I is the image formed by the objective. f0 and fe are the focal lengths of the objective and eyepiece, respectively.
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संबंधित प्रश्न
Which two aberrations do objectives of refracting telescope suffer from? How are these overcome in reflecting telescope?
How does the resolving power of a telescope change on increasing the aperture of the objective lens? Justify your answer.
Draw a labelled ray diagram of a refracting telescope ?
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You are given following three lenses. Which two lenses will you use as an eyepiece and as an objective to construct an astronomical telescope?
|
Lens |
Power (P) |
Aperture (A) |
|
L1 |
3D |
8 cm |
|
L2 |
6D |
1 cm |
|
L3 |
10D |
1 cm |
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