WorksheetsPhysics : SOUND (Part 2)
Total questions: 15
Worksheet time: 8mins
What is the medium through which sound can travel the fastest?
Mercury
Glass
Uranium
Diamond
Air
Speed of sound in air at room temperature is ____________
333m/s
463m/s
346m/s
369m/s
236m/s
Frequencies which humans can hear:
10Hz - 10,000Hz
20Hz - 10,000Hz
10Hz - 20,000Hz
20Hz - 20,000Hz
Infrasonic waves are :
Below 10Hz
Below 20Hz
Above 20,000Hz
Above 10,000Hz
Sounds that can be heard by humans
Identify the type of instrument: (HARMONICA)
String instrument
Wind instrument
Percussion Instrument
Air Instrument
Unpleasant, discomfort-causing sound from any source is called ______________
Noise
Sound
Air pollution
Amplitude
Echolocation is done with the help of _____________________
Infrasonic Waves
Ultrasonic Waves
Sound
Instruments
Bats
DRUMS is a _______________
Percussion Instrument
Wind Instrument
Sound instrument
Electronic Instrument
Ultrasonic Instrument
To reduce Noise Pollution, we should ___________________
Use Loudspeakers
Avoid Unnecessary honking, Noise
Not put Machinery in sound proof rooms
Play Loud music
Select the Animal which communicates through infrasonic waves
Humans
Elephant
Bats
Sheep
Infrasounds are used to
do Echolocation
detect Volcanic Eruptions
measure distances
sonography
Effects of Noise pollution are
Loss of Concentration
Global Warming
Increase in temperature
Better Hearing
Which of the following does not cause noise pollution?
Loud speaker
Honking
Sitar
Loud Noise
inaudible sounds cannot be heard
TRUE
FALSE
MAYBE
Trumpet,Flute,French Horn are
Percussion Instruments
Wind Instruments
Blowing Instruments
Stringed Instruments
