Advertisements
Advertisements
Question
Loudness of sound is measured in units of
Options
decibel (dB)
hertz (Hz)
metre (m)
metre/second (m/s)
Advertisements
Solution
decibel (dB)
Explanation:
Unit of loudness of sound is decibel (dB).
APPEARS IN
RELATED QUESTIONS
How does the wave pattern of a loud note differ from that of a soft note? Draw a diagram.
How is loudness of sound related to the intensity of wave producing it?
Name the unit used to measure the sound level.
Name the characteristic of the sound affected due to a change in its amplitude.
Define the following term.
Loudness
An alarm bell is kept inside a vessel as shown in the following figure. A person standing close to it can distinctly hear the sound of alarm. Now, if the air inside the vessel is removed completely, how will the loudness of alarm get affected for the same person?

What does the intensity of sound hear at a place depend on?
Assertion: As the amplitude of sound increases, the loudness of sound decreases.
Reason: The loudness of sound depends on the amplitude of the wave.
Define:
Intensity
