Q. The relative velocity of two consecutive layers is $8\ cm/s$. If the perpendicular distance between the layers is $0.1\ cm$, then the velocity gradient will be
A) $8sec^{- 1}$
B) $80\ sec^{- 1}$
C) $0.8\ sec^{- 1}$
D) $0.08\ sec^{- 1}$
Explanation
(b) $\frac{dv}{dx} = \frac{8}{0.1} = 80s^{- 1}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.