Question

4 points

The dimensional equation cannot be used ---    

1)    to check the correctness of a physical quantity    

2)    to derive the relation between different physical quantities  

3)    to find out constant of proportionality which many be pure number    

4)    to change from one system of units to another system.

​

Answer 1

Answer:

3.............................

Answer 2

Answer:

state the uses of dimensional equation. explain with examples