Thermal and Statistical Physics-Statistical Physics (IFS Physics (Mains)): Questions 1 - 2 of 2

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Question number: 1

» Thermal and Statistical Physics » Statistical Physics » Bose-Einstein Condensation

Appeared in Year: 2011

Short Answer Question▾

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Write down the expression for the Bose – Einstein distribution function and explain the meaning of the symbols used. (Paper-I) (Section - B)

Question number: 2

» Thermal and Statistical Physics » Statistical Physics » Bose-Einstein Condensation

Appeared in Year: 2012

Essay Question▾

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What are Einstein’s A and B coefficients? Establish a relation between the. (Section A)

Explanation

  • There are three Einstein coefficients associated with any pair of energy levels. Of these three only one is independent. The other two dependent upon the coefficient taken to be independent, plus the frequency of the transition and the statistical weight of the two associated terms.

 Three different emission coefficient

Three Different Emission Coefficient

In… (296 more words) …

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