| 1 |
One revolution is equal to. |
- A. 90<sup>o</sup>
- B. 180<sup>o</sup>
- C. 360<sup>o</sup>
- D. 270<sup>o</sup>
|
| 2 |
A direction of torque is |
- A. Along the position vector r
- B. Perpendicular to both r and f
- C. Along the direction of force F
- D. Opposite to the direction of r
|
| 3 |
In rotational motion the torque is equal to rate of change of |
- A. Angular velocity
- B. Linear momentum
- C. Angular momentum
- D. Angular acceleration
|
| 4 |
If heat is added to a system, then its entropy will. |
- A. Increases and positive
- B. Decrease and positive
- C. Increases but negative
- D. Decreases but negative
|
| 5 |
Parallel vectors of same magnitude will be |
- A. Equal
- B. Opposite
- C. Both a and b
- D. None of these
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| 6 |
The motion of a body moving along a circular path is called. |
- A. Translational motion
- B. Angular motion
- C. Vibratory motion
- D. Linear motion
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| 7 |
Dark fringes are also called as |
- A. Minima
- B. Maxima
- C. Wave front
- D. Ray of light
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| 8 |
The fringe spacing increases if we use. |
- A. Yellow light
- B. Green lgiht
- C. Blue light
- D. Red light
|
| 9 |
The SI units of flow rate are. |
- A. m2s-1
- B. m3s-2
- C. m3s-1
- D. m2s-2
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| 10 |
If the stream lines of fluid are forced closer together then. |
- A. Speed of the fluid increases
- B. Speed of the fluid decreases
- C. Pressure of the fluid increases
- D. Speed of the fluid remain same
|