Surveying
The nearest star is so far away from the earth that the directions to it from two diametrically opposite points on the earth differs less than

0.001 second
None of these
0.0001 second
0.01 second

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Surveying
A telescope is said to be inverted if its

vertical circle is to its left and the bubble of the telescope is down
vertical circle is to its right and the bubble of the telescope is down
vertical circle is to its left and the bubble of the telescope is up
vertical circle is to its right and the bubble of the telescope is up

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Surveying
Pick up the incorrect statement from the following. In a spherical triangle

Every angle is less than two right angles
Sum of any two sides is greater than the third
Sum of the three angles is equal to two right angles
Sum of the three angles less than six right angles and greater than two right angles

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