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Science CBSE Homework Assignments
Class 9
Sound
Characteristics of wave
2.
Longitudinal wave
Task:
2
m.
A longitudinal wave travels at a speed of \(0.3\ ms^{−1}\) and the frequency of wave is \(20\ Hz\). Find the separation between the two consecutive compressions.
\(1.5\)
\(1.5 \times 10^{-2}\)
\(1.5 \times 10^{-1}\)
\(1.5 \times 10^{1}\)
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