Given two statements: A: When an impurity is added to a pure metal, t

1.	Given two statements: A: When an impurity is added to a pure metal, the residual resistivity at zero K is not zero. R: At absolute zero temperature, lattice vibration ceases to exist. (1) Both A and R are true, and R is the correct explanation of A. (2) Both A and R are true, but R is NOT the correct explanation of A. (3) A is true, but R is false. (4) A is false but R is true.
Answer» The Correct Option is (1) Both A and R are true, and R is the correct explanation of A.

Given two statements: A: When an impurity is added to a pure metal, the residual resistivity at zero K is not zero. R: At absolute zero temperature, lattice vibration ceases to exist. (1) Both A and R are true, and R is the correct explanation of A. (2) Both A and R are true, but R is NOT the correct explanation of A. (3) A is true, but R is false. (4) A is false but R is true.

Answer»

The Correct Option is (1) Both A and R are true, and R is the correct explanation of A.

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