Question

5. A dimension less quantity
1) never has a unit 2) may have a unit
3) always has a unit 4) never exist​

Answer 1

Answer:

may have a unit

Step-by-step explanation:

1. actually it is true that dimensionless quantity do not have a unit.

2. but in chapters electrostatics or u can consider any other chapters related to electricity they contain quantities which are dimensionless but they have units

Answer 2

Answer:

1

Step-by-step explanation:

Foe example take a point it has no dimensions, is represented by a fine dot made by a pen or a sharp pencil.

Now we know that point has no units like 4kg point,5 litre point,etc.

So it is the answer.