Advertisements
Advertisements
Question
The safe limit of loudness of audible sound is
Options
0 to 80 dB
above 80 dB
120 dB
above 120 dB
Advertisements
Solution
0 to 80 dB
APPEARS IN
RELATED QUESTIONS
If the amplitude of vibration is large, sound is feeble.
State one important property of waves used for echo depth sounding.
Smaller the membrane, .................. is the pitch.
Name the characteristic of sound related to its frequency
Name the characteristic of the sound affected due to a change in its
(a) amplitude (b) waveform (c) frequency.
A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.
Which characteristics of sound will change if there is a change in its amplitude and its waveform.
What is meant by the ‘loudness’ of a sound? How is it related to the intensity?
The loudness of a sound depends on its pitch.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
