Sound Waves

Sound Waves
Sound is made louder by increasing
wavelength
frequency
wave front
amplitude
Author: rikazzz Comment
Sound Waves
‘Dolphins’ can capture their prey using
echo
infrasound
eye sight
ears and sensors
Author: rikazzz Comment
Sound Waves
A strong beam of ultrasound can melt even a
glass
metal
soap
wax
Author: rikazzz Comment
Sound Waves
To avoid noise from the surroundings
soft curtains should be used
hard curtains should be used
glass windows should be used
vacuum windows should be used
Author: rikazzz Comment
Sound Waves
Musical instruments are so designed that they could produce
musical notes
pitch
rhythm
musical beat
Author: rikazzz Comment
Sound Waves
The level of sound of normal conversation is
10 dB
20 dB
50 dB
60 dB
Author: rikazzz Comment
Sound Waves
The depth of the sea or ocean is calculated by a
machine
microchip
special fish
special detector
Author: rikazzz Comment
Sound Waves
A drum makes sound of
high frequency
low amplitude
high pitch
low pitch
Author: rikazzz Comment
Sound Waves
The higher the frequency, the more the
note of sound
depth of sound
amplitude of sound
wavelength of sound
Author: rikazzz Comment
Sound Waves
An example of longitudinal wave is
slinky spring
light
energy
water wave
Author: rikazzz Comment

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