Textbook Questions
| 1. |
Time taken to hear the echo
Difficulty: medium |
2
|
Practice Questions
| 1. |
Properties of a sound in terms of amplitude and frequency
Difficulty: easy |
3
|
| 2. |
Numerical based on velocity of sound
Difficulty: medium |
4
|
| 3. |
Numerical based on sound travel
Difficulty: hard |
4
|