Question
| Column A | Column B | ||
| 1. | Time taken to complete one vibration. | (a) | Ultrasound |
| 2. | The effect produced in the ear due to sound of some particular frequency. | (b) | Reflection of sound |
| 3. | The bouncing off of sound from hard surface. | (c) | Frequency |
| 4. | Number of vibrations made by a body in one second. | (d) | Pitch |
| 5. | The sound of frequencies more than 20,000 Hz. | (e) | Time period |