Question

canbody answer it plzzz

question no. 20

Answer 1

Okay!

So,

Pressure=Force |area

MLT-2/L2

Volume=L3

As The Principle Of Homogeneity state That equal substance or product are added or subtracted with same..

P+a/v2 =Rtheta/v

A+V2 SHOULD BE PRESSURE SO AS IT FOLLOW PRINCIPLE OF HOMOGENEITY.. {EQ1}

THETA IS DIMENSION LESS

ML-1T-2 +a/LT-1

NOW YOU CAN SOLVE YOURSELF BY COMPARISON