Advertisements
Advertisements
Question
What is loudness of sound? What factors does it depend on?
Advertisements
Solution
A loud sound has high energy. Loudness depends on the amplitude of vibrations. In fact, loudness is proportional to the square of the amplitude of vibrations.
APPEARS IN
RELATED QUESTIONS
How are the wavelength and frequency of a sound wave related to its speed?
Write true or false for a given statement.
A sound is a form of energy.
What type of wave is represented :
(a) by density-distance graph?
(b) by displacement-distance graph?
What is the nature of sound waves in air?
Draw displacement-time graph of a wave and show on it the amplitude and time period of wave.
How are the wave velocity V, frequency f and wavelength λ of a wave related? Derive the relationship.
State the speed of (i) light and (ii) sound in air?
Name three animals which can hear ultrasonic vibrations.
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
