The relative velocity of two consecutive laye | vedclass

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(B) The velocity gradient is defined as the rate of change of velocity with respect to the perpendicular distance between the layers,given by the form

Vedclass · Accepted Answer

$80$

Vedclass · Answer

(B) The velocity gradient is defined as the rate of change of velocity with respect to the perpendicular distance between the layers,given by the formula: $\frac{dv}{dx}$.Given:Relative velocity $(dv)$ = $8 \ cm/s$Perpendicular distance $(dx)$ = $0.1 \ cm$Velocity gradient = $\frac{dv}{dx} = \frac{8 \ cm/s}{0.1 \ cm} = 80 \ s^{-1}$.Therefore,the correct option is $B$.

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 ......... $s^{-1}$.

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