Question

in wich the probability bof occupation index can tend to zero
​

Answer 1

Explanation:

At T > 0K, the probability of a state with E > EF filled is zero. Explanation: At T > 0 K, the probability that a state with E > EF is filled is 1⁄2. Hence, fermi energy is the energy at which the probability of occupation is 1⁄2 at any temperature above 0 K.