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Earn 100

Conduct an experiment to know the relationship between the intensity of sound produced by a body and its amplitude.

Important Questions on Sound

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Science>Physics>Sound>Propagation of Sound
It is observed that during march-past we hear a base drum distinctly from a distance compared to the side drums. Give a reason for the above observation.
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Science>Physics>Sound>Propagation of Sound

It is observed that during march-past we hear a base drum distinctly from a distance compared to the side drums.
Name the characteristic of sound associated with the above observation.

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Science>Physics>Sound>Propagation of Sound
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of their intensities?
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Science>Physics>Sound>Propagation of Sound

Four sound waves M, N, O and P are shown in figures below. Which of the following is correct statement?

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Science>Physics>Sound>Propagation of Sound

Match Column I with Column II and select the correct option from given codes.

  Column I   Column Il
P. One end of slinky is jerked up and down continuously (i) Longitudinal wave
Q. Quality of sound (ii) Loudness
R. One end of slinky is moved back and forth continuously (iii) Transverse wave
S. Amplitude (iv) Timbre
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Science>Physics>Sound>Propagation of Sound
A key of a mechanical piano is struck gently and then struck again but much harder this time. In the second case:
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Science>Physics>Sound>Propagation of Sound
The loudness of sound is determined by its _____.
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Science>Physics>Sound>Propagation of Sound
Softness of a sound can be determined by _____.
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Science>Physics>Sound>Propagation of Sound
In which of the following cases softer sound will be produced?
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Science>Physics>Sound>Propagation of Sound
Assertion: The loudness of sound is measured in decibel.
Reason: If sound waves have a large amplitude then the sound will be loud.
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Science>Physics>Sound>Propagation of Sound
Loud sound can travel a larger distance, due to _____.
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Science>Physics>Sound>Propagation of Sound

Read the given statements and select the correct option.

Statement 1: The note heard in the vibration of 30 cm ruler is louder when flicked with larger amplitude.
Statement 2: Loudness of a sound depends on the amplitude of vibrations.

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Science>Physics>Sound>Propagation of Sound
When we change a feeble sound to a loud sound, we increase its:
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Science>Physics>Sound>Propagation of Sound

A microphone is connected to a cathode ray oscilloscope. A loudspeaker giving a single note is switch on. The trace shown in the figure appears on the screen.

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Which of the following shows the softer but same frequency note of the given note?

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Science>Physics>Sound>Propagation of Sound
Loudness of sound increases with 
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Science>Physics>Sound>Propagation of Sound
The amount of sound energy passing each second through unit area is called the _____________ of sound.
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Science>Physics>Sound>Propagation of Sound
A key of a mechanical piano struck gently and then struck again but much harder this time. In the second case
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Science>Physics>Sound>Propagation of Sound
A key of a mechanical piano struck gently and then struck again but much harder this time. In the second case
HARD
Science>Physics>Sound>Propagation of Sound
The intensity of sound wave gets reduced by 20% on passing through a slab. The reduction in intensity on passing through two consecutive slabs is:
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Science>Physics>Sound>Propagation of Sound
The loudness of a sound _____ with the increase in the distance between the listener and the source.