| | | | | | MCQ Tutorial - Physics->Gravitational | | | | | | 6.) The atmosphere is held to the earth by:
| | | | Options are: | | | A.) Gravity
| | | B.) Winds
| | | C.) Light
| | | D.) Clouds
| | | | Correct Option: A | | | | | | | | | | 7.) At what height from the ground will the value of ‘g’ be the same as that in 10 km deep mine below
the surface of earth:
| | | | Options are: | | | A.) 20 km
| | | B.) 30 km
| | | C.) 50 km
| | | D.) 15 km
| | | | Correct Option: A | | | | | | | | | | | 8.) The value of ‘g’ at a particular point is 9.8 m/s2 . Suppose the earth suddenly shrinks uniformly to
half its present size without losing any mass. The value of ‘g’ at the same point (assuming that the
distance of the point from the centre of earth does not shrink) will now be:
| | | | Options are: | | | A.) 19.6 m/s2
| | | B.) 3.1 m/s2
| | | C.) 9.8 m/s2
| | | D.) 4.9 m/s2
| | | | Correct Option: C | | | | | | | | |
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