Physics And Measurement Question 103
Question: Dimensions of coefficient of viscosity are
[AIIMS 1993; CBSE PMT 1992;]
Options:
A) $ ML^{2}{{T}^{-2}} $
B) $ ML^{2}{{T}^{-1}} $
C) $ M{{L}^{-1}}{{T}^{-1}} $
D) $ MLT $
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Answer:
Correct Answer: C
Solution:
$ F=-\eta .A\frac{dv}{dx}\Rightarrow [\eta ]=[M{{L}^{-1}}{{T}^{-1}}] $