Q. According to central Pollution Control Board (CPCB), which particulate size in diameter (in micrometres) of the air pollutants is responsible for greatest harm to human health?
A) 2.5 or less
B) 1.5 or less
C) 1.0 or less
D) 5.2 or 2.5
Explanation
According to CPCB, air pollutants of size 2.5 or less (in micrometers) diameter are harmful to human health.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.