A) 2V
B) V
C) V/2
D) V/4
Correct Answer: D
Solution :
Re \[=\frac{vd}{v}\] \[v=\frac{\mu }{\rho },\] \[{{v}_{2}}=\frac{0.2\mu }{0.8\rho }=\frac{\mu }{4\rho }=\frac{v}{4}\] \[\frac{vd}{v}=\frac{4{{v}_{2}}d}{v}\] \[{{v}_{2}}=\frac{v}{4}\]You need to login to perform this action.
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