waves

Question: Ultrasonic, Infrasonic and audible waves travel through a medium with speeds ${{V}_{u}},\,{{V}_{i}}$ and ${{V}_{a}}$ respectively, then

1) ${{V}_{u}},\,{{V}_{i}}$ and ${{V}_{a}}$ are nearly equal

2) ${{V}_{u}}\ge {{V}_{a}}\ge {{V}_{i}}$

3) ${{V}_{u}}\le {{V}_{a}}\le {{V}_{i}}$

4) ${{V}_{a}}\le {{V}_{u}}$ and ${{V}_{u}}\approx {{V}_{i}}$

Solution:

Explanation: No Explanation

Basics of Mechanical Waves

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