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:  Energy of Waves |
 88%
Level 1: 80%+

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


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:  Energy of Waves |
 74%
Level 2: 60%+

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.