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.

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

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

Assertion (A): Resistivity of a perfect single crystal of a metal goes

1.	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
Answer» C. A is true but R is false

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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.

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