Download Aptitude Crack
img not found img not found

Materials and Components - Engineering

Q1:

Assertion (A): Resistivity of a perfect single crystal of a metal goes to zero as T approaches zero. Reason (R): Scattering of electrons is due to deviations from perfect periodicity of lattice.

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

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

C A is true but R is false

D A is false but R is true

ANS:B - Both A and R are true but R is not correct explanation of A

No answer description is available.