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- Help me please, The intensity of sound increases at night due to
The intensity of sound increases at night due to
- Option 1)
Increase in density of air
- Option 2)
Decrease in density of air
- Option 3)
Low temperature
- Option 4)
None of these
Answers (1)
We know that at night amount of carbon di oxide in atmosphere increases which raises density of atmosphere . Since intensity is directly proportional to density ,intensity of sound is more at night.
Intensity of the wave -
Energy transmitted per unit area per second in the form of the wave in the direction of the wave by source.
- wherein
This energy is carried forward by the medium particles which transfer energy to the next particle.
Option 1)
Increase in density of air
This is correct.
Option 2)
Decrease in density of air
This is incorrect.
Option 3)
Low temperature
This is incorrect.
Option 4)
None of these
This is incorrect.
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