Discussion :: Surveying
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In an internal focusing telescope
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A.
the objective is at a fixed distance from the diaphragm |
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B.
the focusing is done by the sliding of a divergent lens. |
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C.
the focusing divergent lens is situated at about the middle of the tube |
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D.
all the above. |
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Answer : Option D
Explanation :
No answer description available for this question
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