Tag: amplitude, time period and frequency of a vibration
Questions Related to amplitude, time period and frequency of a vibration
A device based on multiple reflection used for sending amplified sound in a particular direction
Mark the incorrect statement :
a)intensity of sound depends on the response of our ears
b)loudness can be measured as a physical quantity
c)loudness is a subjective quantity.
How does Sound produced by humans?
The greater the surface area of the vibrating body, the________is the loudness of sound.
When we increase the loudness of sound of a TV, the property of sound that changes is:
Loudness of sound primarily depends upon
The natural frequency of vibration of a system is called.
In order to reduce the loudness of a sound we have to:
A 1cm long vibrates with a fundamental frequency of 256Hz. If the length is reduced to 1/4cm keeping the tension unaltered, the new fundamental frequency will be
Two identical sound $A$ and $B$ each a point in the same phase. The resultant sound is $C$. The loudness of $C$ is $n$ $dB$ higher than the loudness of $A$