1 |
Newton discovered the cause of falling apple in : |
- A. 1886
- B. 1905
- C. 1665
- D. 1600
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2 |
The value of g on moon's surface is 1.6 ms<sup>-2</sup>. What will be the weight of a a 100 kg body on the surface of the moon? |
- A. 100 N
- B. 160 N
- C. 1000 N
- D. 1600 N
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3 |
Moon is ____ satellite. |
- A. Natural
- B. Communications
- C. Artificial
- D. Geostationary
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4 |
GPS consists of __________ earth satellites. |
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5 |
Gravitational constant depends on: |
- A. Medium
- B. Force
- C. Weight
- D. It does not depend son anything
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6 |
The velocity of geostationary satellites with respect to Earth is |
- A. Vo
- B. 2Vo
- C. Zero
- D. 1/2 Vo
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7 |
A body is placed at height 'h' above the surface of the Earth.The value of 'g' is given by |
- A. gh = Me/(R + h)2
- B. gh = GMe/(R +h)2
- C. gh = GMe/R2h
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8 |
The velocity of geostationary satellites with respect to the Earth is: |
- A. Maximum
- B. Zero
- C. Minimum
- D. 100 ms<sup>-1</sup>
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9 |
The orbital speed of a low orbit satellite is: |
- A. Zero
- B. 8 ms<sup>-1</sup>
- C. 800 ms<sup>-1</sup>
- D. 8000 ms<sup>-1</sup>
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10 |
The value of g increases with the : |
- A. Increase in the mass of the body
- B. Increase in altitude
- C. Decrease in altitude
- D. None of the above
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