When ultrasonic, infrasonic and audible waves travel through a medium with speeds $v_{u}$ , $v_{i}$ and $v_{a}$ respectively, then :

v_{u}, v_{i}

and

v_{a}

are nearly equal

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v_{u} > v_{a} > v_{i}

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v_{a} > v_{u} > v_{i}

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v_{i} > v_{a} > v_{u}

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Solution

The correct option is B $v_{u}, v_{i}$ and $v_{a}$ are nearly equal
The speed of a sound wave is used to be affected by the medium property. But it remains almost independent by the change of frequency of the wave. So option a will be right.

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Similar questions

Ultrasonic, Infrasonic and audible waves travel through a medium with

speeds $V_{U}, V_{i} a n d V_{a}$ respectively, then [CPMT 1989]

v_{i}, v_{a}

v_{u}

V_{a}, V_{w}

V_{i}

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Quelqu'un t'a appelé.	...............................
Tu as écrit à quelqu'un.	...............................
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V_{A}

V_{B}

V_{C}

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