Question

Assertion (A): The SI system of units is the improved system of units for measurement.
Reason (R): The SI unit of mass is the kilogram.

विकल्प

• Both A and R are true but R is not the correct explanation of A.

• Both A and R are true and R is the correct explanation of A.

• A is true but R is false

• A is false but R is true.

Answer 1

Both A and R are true and R is the correct explanation of A.