Which of the following is dimensionless -
Text Solution
Verified by ExpertsThe correct answer is:
B
[G] = [M– 1 L 3 T –2 ]
ε r = 
unit less and dimension less
because ε and ε 0 are permittivity of medium and vaccum having same dimensions.
relative velocity V AB = V A – V B dimension of velocity
Density = ML –3
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