1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
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If dimensions of critical velocity $$\upsilon $$c of a liquid flowing through a tube are expressed as $$\left[ {{\eta ^x}{\rho ^y}{r^z}} \right]$$ where $$\eta ,\rho $$ and r are the coefficient of viscosity of liquid, density of liquid and radius of the tube respectively, then the values of x, y and z are given by
A
$$-$$1, $$-$$1, $$-$$1
B
1, 1, 1
C
1, $$-$$1, $$-$$1
D
$$-$$1, $$-$$1, 1
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