Question

Identify the incorrect option from the following.

• A. Source of sound - Jet planes , Range in dB - Above 150 dB , Effect produced on the human ear - Irritating sound
• B. Source of sound - Normal breathing , Range in dB - 10 dB , Effect produced on the human ear - Low volume
• C. Source of sound - Busy traffic , Range in dB - 30 dB , Effect produced on the human ear - Noisy
• D. Source of sound - Teacher's voice , Range in dB - 40 - 50 dB , Effect produced on the human ear - Normal sound

Answer 1

The correct option is C

Source of sound - Busy traffic , Range in dB - 30 dB , Effect produced on the human ear - Noisy

Busy traffic has decibel levels to the level of 90 dB.