Discussion :: Surveying
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Pick up the correct statement from the following :
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A.
spherical aberration may be reduced by diminishing the aperture |
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B.
spherical aberration may be minimised by replacing the single lens by a combination of the lenses. |
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C.
in telescope objectives, a combination of convex lens and concave lens is used. |
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D.
in eyepieces, two plano-convex lenses placed at a certain distance apart are used |
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E.
all the above. |
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Answer : Option E
Explanation :
No answer description available for this question.
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