Which one of the following is considered to be the finest particulate matter ?
2024
Which one of the following is considered to be the finest particulate matter ?
- A.
Fine mode particles
- B.
Neucleation mode particles
- C.
Aitken mode particles
- D.
Accumulation mode particles
Attempted by 12 students.
Show answer & explanation
Correct answer: B
In atmospheric aerosol science, particulate matter is classified by size. Nucleation mode particles have diameters less than 0.01 micrometers, making them the smallest and finest category compared to Aitken and accumulation modes.