What do the air particles , when the sound travels through air?
Vibrate along the direction of wave propagation
Vibrate but not in any fixed direction
Vibrate perpendicular to the direction of wave propagation
Do not vibrate
An FM radio station instructs your radio receiver how to move its speaker cone by varying the.
Amount of electric charge it pushes up and down its antenna.
Amplitude of the radio wave it produces.
Strength of the electric and magnetic fields in the radio wave it produces.
Frequency of the radio wave it produces.
What does the height of a water wave represent?
Wavelength
Amplitude
Velocity
Frequency
What happens to the speed of the light in glass?
It becomes the speed of sound
It goes faster than in air
It goes slower than in air.
Light does not travel through glass
The study of waves applies to what other subject?
Lightning
Chemistry
Sound
Mathematics
What is the source of all wave motion?
Vibrating object
Region of variable high and low pressure
Wave pattern
Harmonic object
What is the amplitude of thunder?
Loudness
Pulses do not have amplitude
What is the minimum distance between the source and the reflector so that an echo is heard?
10m
17m
34m
50m
In which direction will the particles move, If a transverse wave is a transporting energy from east to west?
East to west only
Both eastward and westward
North to south only
Both northward and southward
A sound source sends waves of 400Hz.It produces waves of wavelength 2.5 m. Calculate the velocity of sound.
100m/s
1000m/s
10000m/s
3000km/s
