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Which one of the following quantities is...

Which one of the following quantities is not expressed in proper units?

A

Surface tension - `J//m^(2)`

B

Rigidity modulus - `N//m^(2)`

C

Coefficient of viscosity - `N-S//m^(2)`

D

Potential energy - `kg m//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
d
The units of (a), (b) and (c ) are correct.
The unit of P.E. = mgh is
`kg.(m)/(s^(2))xxm=kgm^(2)//s^(2)`
`therefore kg m//s^(2)` is a wrong unit.
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