1. | matter | 2. | energy |
3. | energy and matter | 4. | energy, matter, and momentum |
Which of the following is a mechanical wave?
1. | Radio waves | 2. | X-rays |
3. | Light waves | 4. | Sound waves |
Velocity of sound in air is \(332\) m/s. Its velocity in the vacuum will be:
1. \(>332\) m/s
2. \(=332\) m/s
3. \(<332\) m/s
4. meaningless
A transverse wave travels along the Z-axis. The particles of the medium must move:
1. | along the Z-axis | 2. | along the X-axis |
3. | along the Y-axis | 4. | in the X-Y plane |
A wave moving in a gas:
1. | must be longitudinal | 2. | may be longitudinal |
3. | must be transverse | 4. | may be transverse |
1. | Mechanical transverse waves can propagate through all mediums. |
2. | Longitudinal waves can propagate through solids only. |
3. | Mechanical transverse waves can propagate through solids only. |
4. | Longitudinal waves can propagate through vacuum. |
(a) | all the particles are vibrating in the same phase. |
(b) | amplitude of all the particles is equal. |
(c) | particles of the medium executes SHM. |
(d) | wave velocity depends upon the nature of the medium. |