Directions: The following items consist of two statements one labeled at the ‘Assertion A’ and the other as ‘Reason (R)’. You are to examine these two statements carefully and select the answers to these items using the codes given below
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R s false
(d) A is false but R is tru
Assertion (A): A rod of circular cross – section when subjected to twisting action does not
experience any change in cross – sectional geometry
Reason (R): Stress induced in the section is axisymmetric