Question

3. If s and r are the speeds of ultrasonic and infrasonic sounds in a solid medium, and t and u are the speeds
of ultrasonic and infrasonic sounds in a liquid medium, then
(1) s>t>r>u
(2) s=t>r=u (3) s=r>t=u
(4) s <t<r<u​

Answer 1

Answer:

1) s>t>r>u

Explanation:

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