The intensity of sound increases at night due to

Question

The intensity of sound increases at night due to (A) increase in density of air (B) decrease in density of air (C) low temperature (D) none of the above

Tardigrade Admin · Accepted Answer

At night, amount of carbon dioxide in atmosphere increases which raises the density of atmosphere. Since intensity is directly proportional to density, intensity of sound is more at night.

Q. The intensity of sound increases at night due to

increase in density of air

decrease in density of air

low temperature

none of the above

At night, amount of carbon dioxide in atmosphere increases which raises the density of atmosphere. Since intensity is directly proportional to density, intensity of sound is more at night.