| 1 |
When the amplitude of a wave become double, its energy becomes |
- A. One half
- B. Two times
- C. Three times
- D. Four times
|
| 2 |
Which one is non renewable source of energy. |
- A. Hydro electric
- B. Bio mass
- C. Tides
- D. Oil
|
| 3 |
Two waves of same frequency and moving in the same direction produces. |
- A. Interference
- B. Diffraction
- C. Beats
- D. Stationary waves
|
| 4 |
Heat is form of. |
- A. Power
- B. Momentum
- C. Energy
- D. Torque
|
| 5 |
Young in 1801 performed experiment for the first time about |
- A. Interference
- B. Diffraction
- C. Polarization
- D. Particle nature of light
|
| 6 |
Second pendulum has a time period |
- A. 1 sec
- B. 3 sec
- C. 2 sec
- D. 4 sec
|
| 7 |
The to and fro motion of a body is called |
- A. Linear motion
- B. Rotational motion
- C. Vibratory motion
- D. None of these
|
| 8 |
Food rich in proteins is: |
- A. potato
- B. grapes
- C. vegetables
- D. bread
|
| 9 |
As we go from pole to equator of earth, the value of 'g' |
- A. Increase
- B. Decrease
- C. Remain constant
- D. Zero
|
| 10 |
The work done in gravitational field |
- A. Depend upon the path
- B. Does not depend upon the path
- C. (+)ve
- D. Zero
|