Directions: In each of the questions given below, there are two statements marked as Assertion (A) and Reason (R). Mark your answer as per the codes provided below:
Assertion (A): Diamond is used for cutting glass.
Reason (R): Diamond has a high refractive index.1
Both A and R are true and R is the correct explanation of A.
2
Both A and R are true but R is not the correct explanation of A.
3
A is true but R is false.
4
A is false but R is true.