| 1 |
The speed \velocity of sound is greatest in. |
- A. Air
- B. Steel
- C. Ammonia
- D. Water
|
| 2 |
Two waves of same frequency and moving in the same direction produces. |
- A. Interference
- B. Diffraction
- C. Beats
- D. Stationary waves
|
| 3 |
The portion of the wave above mean level is called. |
- A. Node
- B. Antinode
- C. Crest
- D. Trough
|
| 4 |
The distance between two consecutive crest is called. |
- A. Displacement
- B. Amplitude
- C. Wave front
- D. Wavelength
|
| 5 |
The process followed by Newton for the determination of speed of sound in air is |
- A. Adiabatic
- B. Isothermal
- C. Isobaric
- D. Isochoric
|
| 6 |
The speed of sound in ari at 0 <sup>o</sup>C is 332 ms-1, Then the speed at 40 <sup>o</sup>C will be |
- A. 372 ms-1
- B. 356 ms-1
- C. 346 ms-1
- D. 332 ms-1
|
| 7 |
the velocity of sound at 0 <sup>o</sup>C is 332 ms-1, the velocity of sound at 10 <sup>o</sup>C will be |
- A. 337.1 ms-1
- B. 338.1 ,ms-1
- C. 342.1 ms-1
- D. 328.1 ms-1
|
| 8 |
When the amplitude of a wave is increase to doubled is energy. |
- A. Remain the same
- B. Increases 4 times
- C. Increases by two times
- D. Decreases by half
|
| 9 |
The speed of sound in air would become double than ots speed at 10<sup> o</sup>C at a temperature of. |
- A. 313 <sup>o</sup>C
- B. 586 <sup>o</sup>C
- C. 859<sup> o</sup>C
- D. 899 <sup>o</sup>C
|
| 10 |
The mechanism of transports energy of all the waves is |
- A. Different
- B. Same
- C. Complicated
- D. Easy
|