Assertion (A) : A diamond tool is used for USM of glass workpiece. Reason (R) : Diamond is harder than glass

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

Both A and R are true but R is not a correct explanation of A

Assertion (A) : A diamond tool is used for USM of glass workpiece. Rea

1.	Assertion (A) : A diamond tool is used for USM of glass workpiece. Reason (R) : Diamond is harder than glass
A.	Both A and R are true and R is the correct explanation of A
B.	Both A and R are true but R is not a correct explanation of A
C.	A is true but R is false
D.	A is false but R is true
Answer» E.

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Assertion (A) : A diamond tool is used for USM of glass workpiece. Reason (R) : Diamond is harder than glass

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