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Surveying
Pick up the correct statement from the following :
the diaphragm is placed between eyepiece and the objective but nearer to the former
the diaphragm is placed between the eyepiece and objective but nearer to the later
the outer component of the objective is a double-convex lens of crown glass
the inner component of the objective is a flint glass, convexo-concave
all the above.
Correct Answer:
all the above.
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