- 1(current)
Q. No.A taut string, fixed at both ends, is allowed to vibrate in its fundamental mode with a maximum amplitude \(A.\) The total energy of vibration is proportional to:
| 1. | \(A\) | 2. | \(A^2\) |
| 3. | \(A^4\) | 4. | \(\dfrac{1}{A^2}\) |
Subtopic: Â Energy of Waves |
 88%
Level 1: 80%+
Hints
The intensity \((I)\) of a sound wave depends on the distance \((x)\) from the source as:
| 1. | \(I\propto x\) | 2. | \(I\propto \dfrac1x\) |
| 3. | \(I\propto \dfrac1{x^2}\) | 4. | none of the above |
Subtopic: Â Energy of Waves |
 74%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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