WorksheetsMIRP 2013 : SOUND
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
What type of wave are sound wave?
a)
longitudinal
b)
transverse
c)
electromagnetic
d)
sea wave
2.
In which medium sound can't travel?
a)
solid
b)
liquid
c)
gas
d)
vacuum
3.
What is an echo
a)
deflected sound
b)
refracted sound
c)
reflected sound
d)
diffracted sound
4.
In which medium speed of sound are fastest?
a)
vacuum
b)
solid
c)
liquid
d)
gas
5.
What is ultrasound?
a)
Sound with a frequency higher than 20.000 Hz
b)
Sound with a frequency lower than 20 Hz
c)
Sound with a frequency 20 Hz
d)
sound with a frequency 20.000 Hz
6.
What is vibration?
a)
how loud a sound is
b)
the back and forth movement of matter
c)
how high or low a sound is
d)
the loudness or softness of a sound
7.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
8.
What device acts as the source and the detector of ultrasound waves
a)
A Transducer
b)
A Solenoid
c)
A Megaphone
d)
Computerized Tomograph
9.
Which of these sound waves has the highest frequency?
a)
b)
c)
10.
The volume of a sound is measured in units called ________
a)
decibels
b)
liters
c)
sound waves
d)
inches per minute
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