In the expression

PHYSICS · Single correct · CBSE · Physics · Units and Measurements · Units and Measurements

Problem

In the expression

P = k\,\eta v / r^{n}

P

is pressure,

\eta

is coefficient of viscosity,

v

is speed and

r

is a length. For the relation to be dimensionally correct, the value of the integer

n

should be (a)

2

(b)

1

(c)

3

(d)

0