A fire whistle emits a tone of 170 Hz.Take the speed of sound in air to be 340 m/s.The wavelength of this sound is about:
A)0.5 m
B)1.0 m
C)2.0 m
D)3.0 m
E)340 m

Question

Quizplus · Accepted Answer

The formula for wavelength is 
wavelength = speed of sound / frequency 
Plugging in the values given, we get: 
wavelength = 340 m/s / 170 Hz 
wavelength = 2.0 m 
Therefore, choice C (2.0 m) is the correct answer.

A Fire Whistle Emits a Tone of 170 Hz