In a classical micro-canonical ensemble for a system of N non-interacting particles, the fundamental volume in phase space which is regarded as equivalent to one micro-state is
(where, h is the Planck's constant.)
A. h3N
B. h2N
C. hN
D. h
Answer: Option A
A. $$\frac{1}{{1 + {e^{ - \varepsilon /{k_B}T}}}}$$
B. $$\frac{1}{{1 + 2{e^{\varepsilon /{k_B}T}}}}$$
C. $$\frac{1}{{2{e^{\varepsilon /{k_B}T}} + 4{e^{2\varepsilon /{k_B}T}}}}$$
D. $$\frac{1}{{2{e^{\varepsilon /{k_B}T}} - 4{e^{2\varepsilon /{k_B}T}}}}$$
A. $$\frac{1}{6}{E_F}$$
B. $$\frac{1}{5}{E_F}$$
C. $$\frac{2}{5}{E_F}$$
D. $$\frac{3}{5}{E_F}$$
A. clockwise
B. counter-clockwise
C. neither clockwise nor counter-clockwise
D. clockwise from X → Y and counter-clockwise from Y → X
A. $$\exp \left( {\frac{{\hbar \omega }}{{{k_B}T}}} \right) + 1$$
B. $$\exp \left( {\frac{{\hbar \omega }}{{{k_B}T}}} \right) - 1$$
C. $${\left[ {\exp \left( {\frac{{\hbar \omega }}{{{k_B}T}}} \right) + 1} \right]^{ - 1}}$$
D. $${\left[ {\exp \left( {\frac{{\hbar \omega }}{{{k_B}T}}} \right) - 1} \right]^{ - 1}}$$
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