Materials and Components

Q1: Assertion (A): Relaxation time and mean time between collisions are equal when scattering is isotropic. Reason (R): Mean free path of an electron λ, velocity of electron v and mean time between collisions t_c are related as λ = vT_c.

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.

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