Thermodynamics and Statistical Physics MCQs Question and Answer in Engineering Physics

A.

B.

C.

D.

A. $$\frac{3}{2}$$ Nk_BT

B. $$\frac{1}{2}$$ Nk_BT

C. Nk_BT

D. $$\frac{5}{2}$$ Nk_BT

A. 5

B. 10

C. 50

D. 100

A. $${\phi _n}\left( {{r_1}} \right) + {\phi _s}\left( {{r_2}} \right)$$

B. $$\frac{1}{{\sqrt 2 }}\left[ {{\phi _n}\left( {{r_1}} \right){\phi _s}\left( {{r_2}} \right) + {\phi _n}\left( {{r_2}} \right){\phi _s}\left( {{r_1}} \right)} \right]$$

C. $$\frac{1}{{\sqrt 2 }}\left[ {{\phi _n}\left( {{r_1}} \right){\phi _s}\left( {{r_2}} \right) - {\phi _n}\left( {{r_2}} \right){\phi _s}\left( {{r_1}} \right)} \right]$$

D. $${\phi _n}\left( {{r_1}} \right){\phi _s}\left( {{r_2}} \right)$$

A. 185

B. 190

C. 195

D. 200

A. $$\frac{1}{{{e^{\left( {\varepsilon - \mu } \right){k_B}T}} + 1}}$$

B. $$\frac{1}{{{e^{\left( {\varepsilon - \mu } \right){k_B}T}} - 1}}$$

C. $$\frac{1}{{{e^{\left( {\mu - \varepsilon } \right){k_B}T}} + 1}}$$

D. $$\frac{1}{{{e^{\left( {\mu - \varepsilon } \right){k_B}T}} - 1}}$$

A. Vaporization of a liquid at its boiling point

B. Ferromagnetic to paramagnetic

C. Normal liquid He to superfluid He

D. Superconducting to normal state