rohit is trying to tune an instrument. he strikes a tuning fork and then plays a note that almost matches…
rohit is trying to tune an instrument. he strikes a tuning fork and then plays a note that almost matches it. rohit hears the volume of the two waves beating, which sounds like \wah - wah - wah - wah.\ what is the cause of the beats? the two waves produced have different speeds. the two waves produced have different amplitudes. the two waves produced have different wavelengths. the two waves produced have different frequencies.
Answer
Brief Explanations:
Beats occur when two sound - waves of slightly different frequencies interfere with each other. The speed of sound in a given medium is constant for all audible frequencies under the same conditions, so different speeds are not the cause. Amplitude affects loudness, not beats. Wavelength is related to frequency and speed ($v = f\lambda$), and the root cause is the difference in frequencies.
Answer:
The two waves produced have different frequencies.