Question

Match the following sound of objects with their suitable decibels.

• A. $65dB$
• B. $140dB$
• C. $90dB$

Answer 1

Loudness of a sound depends on its intensity. Intensity is a measurable quantity while loudness is a sensation. The jet engines have the loudness between $120-130dB$. The diesel engine can produce a loudness of $90dB$. The average human conversation has a loudness of $65dB$.