Question:-
Assertion (A) : Plastic deformation in metals and alloys is a permanent deformation under load. This property is useful in obtaining products by cold rolling
Reason (R): Plastic or permanent deformation in metal or alloy is caused by movement of dislocations
Option (A)
Both A and R are individually true and R is the correct explanation of A
Option (B)
Both A and R are individually true but R is not the correct explanation A
Option(C)
A is true but R is false
Option(D)
A is false but R is true
Correct Option:
(A)
question-answer-faq-3287