Question

difference between loudness and intensity(3 differences)
for class 9th​

Answer 1

Loudness

• 1) It is subjective quantity. This means that a sound may be loud for one person and may be faint for another person.
• 2) It cannot be measured as it is just sensation that can be only felt.
• 3) Loudness is measured in decibel (dB).
• 4) Loudness depends upon sensitivity of one's ears.

Intensity

• 1) It is objective physical quantity. It means that it doesn't vary person to person.
• 2) It can be measures as a physical quantity.
• 3) Intensity of any sound is measured in watts per square meter. (W/m^2)
• 4) It doesn't depend upon sensitivity of one's ears.
• please mark it as the brainliest one

Answer 2

Answer:

Explanation:

Loudness is the measure of response of the ear to the sound. Intensity is the sound power per unit area.

Loudness is measured in decibels. Intensity is measured in Watt per meter square.

Loudness is dependent on the sensitivity of the human ears. Intensity is independent of the sensitivity of the human ears.

Loudness is a subjective quantity. Intensity is an objective quantity.