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WorksheetsSound Grade 8
Total questions: 18
Worksheet time: 28mins
sound can be generated from a _____ object
Vibrating
stationary
waves
height
region in which air is at high pressure and high
density is called (a)
region in which air is at low pressure and low density is called
Compression
Frequency
rarefaction.
amplitude
Sound generation and propagation needs a _______
vacuum
tuning fork
none of these
medium
the following is the image of a
metal
Tuning fork
electric bell
Two astronauts on the moon talking to each other directly, will be
unable to listen to each other
one compression and one rarefaction together forms one
cycle of the ______
wave
frequency
compressions
amplitude
The frequency is measured in
(a)
The _______of a tuning fork is decided by the dimensions of the prongs
rarefractions
compressions
frequency
wavelenght
Which is the following musical instrument?
Sitar
Flute
tabla
shehnai
Which is the following musical instrument?
guitar
santoor
trumpet
saxophone
if sound level is around (a) decibels, the sound can be harmful to us.
What are the frequencies of musical notes ‘sa’ ?
280
256
520
125
What are the frequencies of musical notes
ma’,
346
226
324
In a Jal Tarng the frequency of the generated
wave depends on the (a) of the air column inside the glass
cup.
How are different sound notes generated in musical instruments like
flute, which uses blown air for sound generation?
Label the parts of Human Larynx
Label the parts of the Loudspeaker
