| 1 |
Michelson's interferometer can be used ot find the |
- A. Velocity of light
- B. Wavelength of light
- C. Velocity of sound
- D. Wavelength of sound
|
| 2 |
the final image obtained by astronomical telescope is. |
- A. Erect
- B. Virtual
- C. Magnified
- D. All of these
|
| 3 |
If the time period of simple pendulum is 2 seconds its frequency will be. |
- A. 1 Hz
- B. 0.5 Hz
- C. 1.5 Hz
- D. 2 Hz
|
| 4 |
In stationary waves, the particle velocity at nodes is |
- A. Minimum
- B. Maximum
- C. Zero
- D. Constant
|
| 5 |
In vibrating string, the points where the amplitude is maximum are called. |
- A. Nodes
- B. Antinodes
- C. Troughs
- D. Crests
|
| 6 |
The ability of a body to do work is called its |
- A. Force
- B. Power
- C. Capacity
- D. Energy
|
| 7 |
The Carnot cycle can be shown by which graph |
- A. P - T graph
- B. P - V Graph
- C. V- T graph
- D. PV -T graph
|
| 8 |
An ideal reversible heat engine has |
- A. 100% efficiency
- B. Highest efficiency
- C. 80%
- D. 90%
|
| 9 |
The product of rotational inertial 'I' and angular velocity ' w' is equal to. |
- A. Torque
- B. Linear momentum
- C. Angular momentum
- D. Force
|
| 10 |
As we go from pole to equator of earth, the value of 'g' |
- A. Increase
- B. Decrease
- C. Remain constant
- D. Zero
|