- #1
Rick88 said:From the graph you can see 8 complete wavelengths. This occurs in an interval of 0.15s
therefore f=number of events(or wavelengths) / [tex]\Delta[/tex]t .
R.
The answer choices suggest a different value for f1 - f2.thereddevils said:The Attempt at a Solution
f1 - f2 = 5
Redbelly98 said:The f you calculated is the average of f1 and f2.
The answer choices suggest a different value for f1 - f2.
Based on your calculation of 50 Hz, yes. However, I recommend doing the following calculation over (can you spot the error?):thereddevils said:so the answer should be C?
thereddevils said:I counted 7.5 and taking a closer look the interval is 0.16.
f=8/(0.16)=50
I think the author of the question is confused. They also stated the wrong beat frequency in the problem statement.By the way, the answer given is A
Redbelly98 said:Based on your calculation of 50 Hz, yes. However, I recommend doing the following calculation over (can you spot the error?):
I think the author of the question is confused. They also stated the wrong beat frequency in the problem statement.
Beat frequency is a phenomenon that occurs when two sound waves with slightly different frequencies are played simultaneously. The resulting sound has a pulsating or "beating" quality due to the interference of the two waves.
The beat frequency is calculated by finding the difference between the two frequencies of the sound waves. For example, if one wave has a frequency of 400 Hz and the other has a frequency of 405 Hz, the beat frequency would be 5 Hz.
Beat frequency is caused by the interference of two sound waves with slightly different frequencies. When these waves overlap, they create areas of reinforcement and cancellation, resulting in the pulsating or beating sound.
Beat frequency is used in tuning musical instruments, such as guitars, to ensure that all strings are in tune with each other. It is also used in audio engineering to create effects such as tremolo and vibrato.
No, beat frequency is not harmful. It is simply a natural phenomenon that occurs when two sound waves interact. However, if the frequencies of the waves are extremely high, it may cause discomfort or pain to the ears.