Oscillations and Waves-Speed of a Wave (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 1 - 3 of 9
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Question number: 1
» Oscillations and Waves » Speed of a Wave
Question
V 1 and V 2 are the velocities of sound at the same temperature in two monoatomic gases of densities ρ 1 and ρ 2 respectively. If then the ratio of velocities V 1 and V 2 will be,
Choices
| Choice (4) | Response | |
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| a. | 2: 1 |
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| b. | 1: 4 |
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| c. | 1: 2 |
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| d. | 4: 1 |
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Question number: 2
» Oscillations and Waves » Speed of a Wave
Question
A wave represented by the given equation where x is in meter and t is in second. The expression represents,
(1) A wave travelling in the negative X direction with a velocity of 1.5 m/sec
(2) A wave travelling in the negative X direction with a wavelength of 0.2 m
(3) A wave travelling in the positive X direction with a velocity of 1.5 m/sec.
(4) A wave travelling in the positive X direction with a wavelength of 0.2 m
Select the correct answers and mark it according to the following codes:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2 and 4 are correct |
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| b. | 1, 2 and 3 are correct |
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| c. | 1 and 2 are correct |
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| d. | 1 and 3 are correct |
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Question number: 3
» Oscillations and Waves » Speed of a Wave
Question
A transverse wave is represented by the equation , Here v = wave velocity. For what value of x, the maximum particle velocity equal to two times the wave velocity
Choices
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