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Q. No.With the propagation of longitudinal waves through a medium, the quantity transmitted is:
| 1. | matter | 2. | energy |
| 3. | energy and matter | 4. | energy, matter, and momentum |
Subtopic: Types of Waves |
52%
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Which of the following is a mechanical wave?
1. Radio waves
2. \(X\text-\)rays
3. Light waves
4. Sound waves
Subtopic: Types of Waves |
87%
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The velocity of sound in air is \(332~\text{m/s}.\) Its velocity in the vacuum will be:
1. \(>332~\text{m/s}\)
2. \(=332~\text{m/s}\)
3. \(<332~\text{m/s}\)
4. meaningless
1. \(>332~\text{m/s}\)
2. \(=332~\text{m/s}\)
3. \(<332~\text{m/s}\)
4. meaningless
Subtopic: Types of Waves |
63%
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A sound wave is passing through an air column in the form of compression and rarefaction. In consecutive compressions and rarefactions;
1. density remains constant.
2. Boyle’s law is obeyed.
3. the bulk modulus of air oscillates.
4. there is no transfer of heat.
1. density remains constant.
2. Boyle’s law is obeyed.
3. the bulk modulus of air oscillates.
4. there is no transfer of heat.
Subtopic: Wave Motion |
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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 |
Subtopic: Wave Motion |
83%
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A wave moving in a gas:
| 1. | must be longitudinal | 2. | may be longitudinal |
| 3. | must be transverse | 4. | may be transverse |
Subtopic: Types of Waves |
53%
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Which of the following statements are true for wave motion?
| 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. |
Subtopic: Types of Waves |
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Water waves produced by a motor boat sailing in water are:
1. neither longitudinal nor transverse.
2. both longitudinal and transverse.
3. only longitudinal.
4. only transverse.
1. neither longitudinal nor transverse.
2. both longitudinal and transverse.
3. only longitudinal.
4. only transverse.
Subtopic: Types of Waves |
60%
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For the travelling harmonic wave, \(y(x,t) = 2.0\cos 2\pi (10t - 0.0080x + 0.35 )\) where \(x\) and \(y\) are in \(\text{cm}\) and \(t\) is in seconds. The phase difference between the oscillatory motion of two points separated by a distance of \(4~\text{m}\) will be:
1. \(0.8 \pi~\text{rad}\)
2. \(\pi~ \text{rad}\)
3. \(6.4\pi~\text{rad}\)
4. \(4\pi~\text{rad}\)
1. \(0.8 \pi~\text{rad}\)
2. \(\pi~ \text{rad}\)
3. \(6.4\pi~\text{rad}\)
4. \(4\pi~\text{rad}\)
Subtopic: Wave Motion |
68%
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During propagation of a plane progressive mechanical wave:
Choose the correct option:
| (a) | all the particles are vibrating in the same phase. |
| (b) | the amplitude of all the particles is equal. |
| (c) | particles of the medium executes SHM. |
| (d) | wave velocity depends upon the nature of the medium. |
Choose the correct option:
| 1. | (a), (c) | 2. | (a), (b), (c) |
| 3. | (b), (c), (d) | 4. | (c), (d) |
Subtopic: Wave Motion |
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