Click to start!
10Click to start!
10Click to start!
10Click to start!
10Sound is a form of energy produced due to vibration of objects.
Sound waves can travel through vacuum.
Sound waves are mechanical waves.
The molecules of a medium vibrate perpendicular to the direction of sound propagation.
Sound travels through solids, liquids and gases.
Frequency is measured in metre.
The SI unit of period is second.
Amplitude represents the loudness of sound.
Speed of sound remains constant in all media.
Sound waves are longitudinal waves.
Percentage: 0%
The number of sound waves produced per second is called:
The unit of frequency of sound is:
Sound travels fastest in:
Which of the following produces sound?
The SI unit of frequency is:
The time taken to complete one vibration is called:
The speed of sound in air is approximately:
Which formula represents the speed of sound?
Which unit is used to measure wavelength?
Sound waves require a medium because they are:
Objects that produce sound are called ______ of sound.
Sound waves cannot travel through ______.
The SI unit of frequency is ______.
The time taken to complete one vibration is called ______.
Frequency is denoted by ______.
Wavelength is denoted by the Greek letter ______ (λ).
The SI unit of wavelength is ______.
Sound waves are ______ waves.
Speed of sound is measured in ______/s.
The formula for speed of sound is ______ = f × λ.