| 1 |
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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| 2 |
The value of gravitational constant "G" is Nm<sup>2</sup> kg<sup>-2</sup> |
- A. 6.67 x 10<sup>-21</sup>
- B. 6.67 x 10<sup>-11</sup>
- C. 6.67 x 10<sup>-23</sup>
- D. 6.67 x 10<sup>11</sup>
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| 3 |
The density of a substance can be found with the help of: |
- A. Pascal's law
- B. Hook's law
- C. Archimedes principle
- D. Principle of floatation
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| 4 |
As we go up the value of atmospheric pressure is |
- A. Decreased
- B. Increased
- C. Remain constnat
- D. None of these
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| 5 |
Product of mass and velocity of a body is called. |
- A. Torque
- B. Force
- C. Work
- D. Momentum
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| 6 |
Which of the following is the unit of momentum? |
- A. Nm
- B. Kg ms<sup>-2</sup>
- C. Ns
- D. Ns<sup>-1</sup>
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| 7 |
A material of thermometer should has: |
- A. Visible
- B. High freezing point
- C. Low melting point
- D. All of these
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| 8 |
The value of 'g' on the surface of moon is: |
- A. 1.62 ms<sup>-2</sup>
- B. 10 ms<sup>-2</sup>
- C. 20 ms<sup>-2</sup>
- D. Zero
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| 9 |
In kelvin scale, lower reference point is: |
- A. 273 K
- B. 373 K
- C. 180 K
- D. 100 K
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| 10 |
If force is capable of rotation a body in clockwise direction it is :` |
- A. Clockwise
- B. Anticlockwise
- C. It has no direction
- D. Nil
|