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The frequency of a certain sound is 440 Mz. What is the wavelength of this sound when the temperature of the air is (a) 20°C; (b) 30°C
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18 votes
18 votes
The frequency of a certain sound is 440 Mz. What is the wavelength of this sound when the temperature of the air is (a) 20°C; (b) 30°C

User Enes Islam
by
3.1k points

1 Answer

11 votes
11 votes

Answer:

Step-by-step explanation:

We know the frequency and the velocity, both of which have good units. All we have to do is rearrange the equation and solve for

λ

:

λ

=

v

f

Let's plug in our given values and see what we get!

λ

=

340

m

s

440

s

−

1

λ

=

0.773

m

User Jesse Jiang
by
2.9k points
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