Sound And Light Flashcards
What can sound travel through
Gas,liquid and solid
What can’t sound travel through
A vacuum
What is the frequency of a sound
The number of vibrations which an object makes in one second
What unit is frequency measured in
hertz (hz)
The frequency decides the ____ of a sound
Pitch
The larger the frequency the _____ the pitch
Larger
What is an audible range
The frequency that u hear a sound
Does every one have the same audible range
No
How do humans produce sound
Air passes over their vocal cords causing them to vibrate
The maximum distance moved by a vibrating object from it rest position is called the _____ of the vibration
The amplitude
The larger the amplitude the _____ the sound
Louder
The pitch of a sound is determined by the _____ of the vibration
Frequency
The loudness of a sound is determined by the _____ of the vibration
amplitude
Who invented the telephone
Alexander graham bell
What affects does sound have on your
It can cause temporary deafness or permanent deafness
