WorksheetsSOUND
Total questions: 18
Worksheet time: 11mins
The hearing range of human ear is _____.
20 Hz to 20,000 Hz
Less than 20 Hz
More than 20,000 Hz
20 Hz to 25,000 Hz
The voice box is called _____.
Stomach
Heart
Larynx
Mouth
Which of the following produces noise only?
Jet engine
Harmonium
Flute
Guitar
Maximum displacement of a wave from mean position is called ______.
Amplitude
Time period
Frequency
Pitch
A sound which is pleasant to ears is called (a) .
The pitch of sound depends on _____.
Frequency
Amplitude
Both of these
None of these
Noise pollution is harmful for _____.
Human
Donkey
Bird
All
Sound cannot travel through (a) .
Sound is kind of _____.
Work
Energy
Force
Waste
Sounds which are unpleasant to the ear is called (a) .
In which medium sound travels fastest _____.
Solids
Liquids
Gases
Vaccum
Sounds which cannot be herd by the humans (ie. below 20Hz and above 20,000Hz).
(a)
Large amplitude of sound vibrations will produce ______.
Loud sound
Meak sound
Slow sound
Shreak
Flash and thunder are produced simultaneously. But thunder is heard a few seconds after the flash is seen. Why?
The speed of sound is faster than the speed of light.
The speed of sound is equal to the speed of light.
The speed of light is faster than the speed of sound.
All of the above
When we hear a sound, which part of our body vibrates?
Hands
Ear Drum
Legs
None of the above
FUN QUESTION- WHAT IS YOUR FAVOURITE HORROR MOVIE...??
Which part of the flute vibrates to produce sound?
String
Air column
Stretched membrane
Ear drum
What are the characteristics of sound?
Frequency
Amplitude
Speed
Velocity
All of the above
