| 1 |
Inertia depends upon: |
- A. Weight
- B. Mass
- C. Density
- D. Force
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| 2 |
The rate at which various surface absorb heat depends upon: |
- A. Nature of surface
- B. Nature of liquid
- C. Radiation
- D. Emission & absorption
|
| 3 |
Waking on earth is the example of |
- A. 1st law of motion
- B. Second law of motion
- C. Third law of motion
- D. Law of Momentum
|
| 4 |
Moon complete it's one revolution around earth is days: |
- A. 22
- B. 23
- C. 27.3
- D. 25
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| 5 |
Momentum is quantity |
- A. Scalar
- B. Vector
- C. Base
- D. All
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| 6 |
Mass of earth is Me is : |
- A. Me = 6× 1024 kg
- B. 6× 1024 kg
- C. 7× 1024 kg
- D. 6× 1024 Mg
|
| 7 |
S.I unit of gravitational field strength is: |
- A. Nkg
- B. Nkg<sup>-1</sup>
- C. Nkg<sup>-2</sup>
- D. Nkg<sup>-3</sup>
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| 8 |
If the direction of motion of the force is perpendicular to the direction of motion of the body then work done will be: |
- A. Maximum
- B. Minimum
- C. Zero
- D. None of these
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| 9 |
The vector which has the same effect as the combined effect of vectors: |
- A. Negative vector
- B. The vector
- C. Resultant vector
- D. Zero vector
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| 10 |
The mass of a body |
- A. Decreases when accelerated
- B. Increases when accelerated
- C. Decreases when moving with high velocity
- D. None of the above
|