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Subjects
Science State Board
Class 9
Sound
Textbook questions
4.
Intext example problem II
Exercise condition:
2
m.
What is the wavelength of a sound wave in air at \(20° C\) with a frequency of \(22\) \(MHz\)?
The formula to wavelength is
λ
=
−
v
n
λ
=
v
u
By applying the known values in the formula, we get
\(λ\) =
\(µm\)
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