Question

The fundamental unit which has same dimensional formula of surface tension and co-efficient of viscosity is
(1) Mass (2) Length (3) Time
(4) None​


need explanation... Plzzz help.....

Answer 1

Answer: option 4 : none

Explanation:

Dimensional formula of surface tension = force / length = MT^-2

Dimensional formula of coefficient of viscosity = ML^-1T^-1

But (1) mass has dimensional formula M

(2) length has dimensional formula L

(3) time has dimensional formula T

So option for none is correct.

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