This periodic variation in the loudness of sound is
What is beat
200
This is the source of all sound waves
What is vibration
200
When can the speed of sound be different? Solid, Liquid, or Gas
What is Gas
200
Give the name of the two superposed waves
What is maximum amplitude and minimum amplitude
300
This is our subjective impression about the frequency of sound
What is pitch
300
The speed of sound in a solid material depends not on the material’s density but its....
What is elasticity
300
When will the beats disappear?
When the frequencies are identical
400
True or False:
Humans can hear ultrasonic and infrasonic frequencies
False
400
This is the ability of a material to change shape in response to an applied force, and then resume its initial shape.
What is Elasticity
400
The phenomenon of beats is the result of sound
What is interference?
500
Name the two types of frequencies
What is infrasonic and ultrasonic
500
What determines the speed of sound in a medium?
What is mass
500
When one fork vibrates 264 times per second, and the other fork vibrates 262 times per second, they are in step twice each second. How much beat frequency is heard? (in Hz)