A) N-m
B) N/m
C) N-m2
D) N/m2
Correct Answer: D
Solution :
Modulus of rigidity is given by \[\eta =\frac{F}{A\left( \frac{\Delta V}{\Delta x} \right)}\]where, F is force, A is area, \[\frac{\Delta V}{\Delta x}\] is velocity gradient. Its unit is \[N-{{m}^{-2}}\].
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