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Sound Waves
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Sound Waves
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Sound Waves
To shape a metal
ultrasound can be useful
gamma-rays can be useful
x-rays can be useful
infrasound can be useful
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Sound Waves
The speed of sound in glass is
2000 m/s
6000 m/s
10000 m/s
14000 m/s
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Sound Waves
The pitch of every note is a certain
wavelength
amplitude
frequency
phase
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Sound Waves
For communication astronauts use radio because
sound travels at very high speed in vacuum
sound does not travel in vacuum
vacuum repels sounds
sound energy turns into light in vacuum
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Sound Waves
Frequency is measured by unit which is called
meter
hertz
watt
ohm
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Sound Waves
Measure of decibel starts from
0
20
20000
10
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Sound Waves
A component of our body that reflects x-rays is known as
heart
bones
stomach
brain
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Sound Waves
The loudness of sound is also known as
amplitude
wave front
volume
pace of sound
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Sound Waves
Like light, sound cannot
pass through transparent solids
pass through air
pass through liquids
pass through vacuum
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Sound Waves
Singing and talking are the
artificial sounds
natural sounds
man-made sounds
sounds made electronically
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