- 1(current)
Q. No.Sound waves of wavelength \(\lambda\) travelling in a medium with a speed of \(v\) m/s enter into another medium where its speed is \(2v\) m/s. Wavelength of sound waves in the second medium is:
1. \(\lambda \)
2. \(\dfrac{\lambda}{2} \)
3. \(2 \lambda \)
4. \(4 \lambda\)
1. \(\lambda \)
2. \(\dfrac{\lambda}{2} \)
3. \(2 \lambda \)
4. \(4 \lambda\)
Subtopic: Â Speed of Sound |
 80%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Speed of sound wave in air
1. is independent of temperature.
2. increases with pressure.
3. increases with increase in humidity.
4. decreases with increase in humidity
1. is independent of temperature.
2. increases with pressure.
3. increases with increase in humidity.
4. decreases with increase in humidity
Subtopic: Â Speed of Sound |
 75%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Change in temperature of the medium changes
1. frequency of sound waves.
2. amplitude of sound waves.
3. wavelength of sound waves.
4. loudness of sound waves.
1. frequency of sound waves.
2. amplitude of sound waves.
3. wavelength of sound waves.
4. loudness of sound waves.
Subtopic: Â Speed of Sound |
 73%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Speed of sound waves in a fluid depends upon
Choose the correct option:
| (a) | directly on density of the medium. |
| (b) | square of Bulk modulus of the medium. |
| (c) | inversly on the square root of density. |
| (d) | directly on the square root of bulk modulus of the medium. |
Choose the correct option:
| 1. | (a), (c) | 2. | (a), (b), (c) |
| 3. | (b), (d) | 4. | (c), (d) |
Subtopic: Â Speed of Sound |
 86%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.