Q.
Find the dimensional formula of coefficient of viscosity η.
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a
ML-1
b
ML T-1
c
ML-1 T-1
d
ML-1 T-2
answer is C.
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Detailed Solution
A denotes the area, v the velocity, l is the length.η=-FAΔlΔv ⇒ ∴[η]=[F][l][A][v]=MLT-2[L]L2LT-1=ML-1 T-1
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