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The ratio of maximum particle velocity to wave velocity is [where symbols have their usual meanings]

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Important Questions on Waves

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 13
What is the phase difference between the displacement wave and pressure wave in sound wave?
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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 14
The ratio of intensities between two coherent sound sources is 4: 1. The difference of loudness in dB between maximum and minimum intensities when they interfere in the space is
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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 15
The intensity of sound reduces by 20% on passing through a glass slab. If sound of intensity I is made to cross through two such slabs, then the intensity of emergent sound will be
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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 16
Two periodic waves of intensities I1 and I2 pass through a region at the same time in the same direction. The sum of the maximum and minimum intensities is :
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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 17

If the intensity of sound is increased by a factor of 30, by how many decibels is the sound level increased?

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 18
A stationary wave is represented by y=Asin(100t)cos(0.01x), where y and A are in millimetres, t is in second and x is in metre. The velocity of the constituent wave is
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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 19
The length of a sonometer wire AB is 110 cm. Where, should the two bridges be placed from A to divide the wire in 3 segments whose fundamental frequencies are in the ratio of 1: 2: 3?
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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 20
Standing waves are produced in 10 m long stretched string. If the string vibrates in 5 segments and the wave velocity is 20 ms-1, then its frequency will be