A tuning fork generates sound waves with a frequency of 252 Hz. The waves travel in...
A tuning fork generates sound waves with a frequency of 252 Hz. The waves travel in opposite directions along a hallway, are reflected by walls, and return. The hallway is 47.0 m long and the tuning fork is located 14.0 m from one end. What is the phase difference between the reflected waves when they meet at the tuning fork? The speed of sound in air is 343 m/s.
(I got 304.9 and it says "Your response is within 10% of the correct value")
Homework Answers
Given is:-
Frequency of sound wave 
Speed of sound 
Now,
which gives us
The phase difference is given by
by plugging the values we get
which gives us
This is the required phase difference.
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A tuning fork generates sound waves with a frequency of 252 Hz.
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