| 1 |
The SI Unit of amount of substance is |
- A. Mole
- B. Joule
- C. Volt
- D. Ohm
|
| 2 |
Rate of change of displacement is called |
- A. Speed
- B. Velocity
- C. Kinetic energy
- D. None of these
|
| 3 |
The dimensions of work are. |
- A. [MLT-1]
- B. [MLT-2]
- C. [ML2T-2]
- D. [MLT]
|
| 4 |
A body of mass 2 kg moving with velocity of 4 ms-1 has K.E. equal to. |
- A. 16 J
- B. 8 J
- C. 32 J
- D. 2 J
|
| 5 |
__ will travel faster than other through an optical fibre. |
- A. Ultraviolet light
- B. Visible light
- C. Infrared light
- D. White light
|
| 6 |
When sound waves enter in different medium, the quantity that remains unchanged is. |
- A. Intensity
- B. Speed
- C. Frequency
- D. Wave length
|
| 7 |
Boltzman constant 'k' has same unit as. |
- A. Temperature
- B. Energy
- C. Entropy
- D. Pressure
|
| 8 |
The ability of a body to do work is called its |
- A. Force
- B. Power
- C. Capacity
- D. Energy
|
| 9 |
The wavelength of wave produced by microwave oven is. |
- A. 12 cm
- B. 12 m
- C. 18 m
- D. 18 cm
|
| 10 |
When average velocity becomes equal to instantaneous than body is called moving with. |
- A. Instantaneous acceleration
- B. Constant acceleration
- C. Constant velocity
- D. Variable velocity
|