Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


*The sensation produced in the ears which enables us to distinguish between a faint sound and a loud sound is called loudness.
*Loudness is measured indecibel.Loudness depends on the senstivity of ears. 

*The average energy transported by a sound wave per second per unit area is called intensity.
*Intensity is measured in unit of watts per square metre.Intensity does not depends on the senstivity of ears.
1 5 1
Loudness is a subjective quantity. It depends upon the sensitivity of the human ear. A sound may be loud for a person but the same sound may be feeble for a person who is hard of hearing. Loudness cannot be measured as a physical quantity because it is just a sensation which can be felt only.
Intensity of sound
Intensity of sound is an objective physical quantity. It does no depend on the sensitivity of the human ear. Intensity of a sound can be measured as a physical quantity.
0 0 0
Please choose my answer as the best answer
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts