| 1 |
The process followed by Newton for the determination of speed of sound in air is |
- A. Adiabatic
- B. Isothermal
- C. Isobaric
- D. Isochoric
|
| 2 |
Frequency range of hearing of cats is. |
- A. 20-20000 Hz
- B. 10- 10000 Hz
- C. 60-20000 Hz
- D. 60-70000 Hz
|
| 3 |
The portion of the wave above mean level is called. |
- A. Node
- B. Antinode
- C. Crest
- D. Trough
|
| 4 |
If 332 waves pass through a medium in 1 second with speed of 332 ms-1 then wavelength will be |
- A. 7 m
- B. 332 m
- C. 664 m
- D. 1 m
|
| 5 |
The speed of sound increases with the increase of in |
- A. Pressure
- B. Volume
- C. Temperature
- D. Density
|
| 6 |
Increase in the velocity of sound in air for 1 <sup>o</sup>C rise in temperature is. |
- A. 61 ms-1
- B. 0.61 ms-1
- C. 161 ms-1
- D. 261 ms-1
|
| 7 |
Velocity of sound is independent of |
- A. Temperature
- B. Density
- C. Pressure
- D. Medium
|
| 8 |
According to Newton, sound travels in air under conditions of. |
- A. Adiabatic
- B. Isothermal
- C. Isobaric
- D. Isochoric
|
| 9 |
Who did give the correct formula for the speed of sound in air? |
- A. Boyle
- B. Laplace
- C. Newton
- D. Einstein
|
| 10 |
In stationary waves, the velocity of particle at the node is. |
- A. Maximum
- B. Infinite
- C. Zero
- D. Varible
|