Q. The average size of the colloids is of the order :
A) $10^{- 12}\ m\ to\ 10^{- 19}\ m$
B) $10^{- 7}\ m\ to\ 10^{- 9}\ m$
C) $10^{- 9}\ m\ to\ 10^{- 12}\ m$
D) $10^{- 6}\ m\ to\ 10^{- 9}\ m$
Explanation
(b)
Sol particles, $i.e.,\$particles of dispersed phase lie in the range 10$A\mathring{}$ to 2000$\ \mathring{A}.$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.