WorksheetsSound
Total questions: 10
Worksheet time: 5mins
The to and fro or back and forth motion of an object is called
Vibration
Rectilinear
Frequency
Decibals
In human beings, the vibration of the ____________ produces sound.
Eardrum
Pinna
Vocal Cords
Auditory Nerve
The number of oscillations per second is called
Amplitude
Frequency
Pitch
Time Period
Frequency is expressed in the unit
km/s
Decibels
m/s
Hertz
Flute is a type of
String Instrument
Wind Instrument
Percussion Instrument
Sound travels fastest through
Solids
Liquids
Gases
A simple pendulum makes 10 oscillations in 20 s. What is the time period and frequency of its oscillations?
Time Period: 2 sec
Frequency: 0.5 Hz
Time Period: 1.5 sec
Frequency: 2 Hz
Time Period: 2 sec
Frequency: 3 Hz
Time Period: 0.5 sec
Frequency: 1Hz
Higher the frequency of vibration, the higher is the
Loudness
Pitch
Amplitude
Noise
Plantation on the roadside and elsewhere can reduce noise pollution.
True
False
Sound can travel through vacuum.
True
False
