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Tightening a guitar string will change its vibration. It will vibrate with a greater frequency.
Sound 01
Sound is made when objects vibrate. These vibrations travel through solids, liquids, or gases as waves, allowing us to hear different pitches and volumes.
1 .
A high frequency of vibrations produces .......
High pitched sounds
Loud sounds
Low pitched sounds
Quiet sounds
Bats use very high pitched sounds to help them navigate
2 .
Frequency is measured in .......
Hertz
Metres
Ohms
Volts
Heinrich Hertz was a German scientist who carried out a lot of research into electromagnetic waves
3 .
Older people can't hear .......
Any better or worse than younger people
High pitched sounds as well as younger people
Low frequency sounds as well as younger people
Low pitched sounds as well as younger people
This deterioration in hearing is actually said to begin as young as the age of eight!
4 .
How will a thin string on a violin vibrate compared to a thick string?
It will vibrate with a greater amplitude
It will vibrate with a greater frequency
It will vibrate with a smaller amplitude
It will vibrate with a smaller frequency
It has less mass and can therefore vibrate faster
5 .
A large amplitude of vibration produces .......
High pitched sound
Loud sounds
Low pitched sounds
Quiet sounds
A guitarist can make their guitar sound louder by plucking or strumming it harder to increase the amplitude of vibration of the string. In an orchestra, the stringed instruments are played using a bow. The players can bow harder to increase the amplitude and therefore make a louder sound
6 .
Sounds which have a very high frequency are called .......
Decibels
Infra sound
Resonance
Ultrasound
In the ocean, sperm whales use sound to stun or kill their prey
7 .
How does decreasing the length of a guitar string change its vibration?
Changes the amplitude
Decreases frequency
Decreases pitch
Increases frequency
Guitar players shorten strings by holding them against the frets on the fretboard (the guitar's neck)
8 .
Sounds cannot travel through .......
A gas
A liquid
A solid
A vacuum
A vacuum has no particles so there is nothing to vibrate
9 .
How will tightening a guitar string change its vibration?
It will vibrate with a greater amplitude
It will vibrate with a greater frequency
It will vibrate with a smaller amplitude
It will vibrate with a smaller frequency
The same applies to any string instrument
10 .
A loudspeaker changes .......
Electrical energy to sound energy
Potential energy to sound energy
Sound energy to electrical energy
Sound energy to potential energy
A cardboard cone inside the loudspeaker is vibrated to create the soundwaves
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