← All questionsGS3 · 2018 · Internal Security ·S.N. Bose and Bose-Einstein Statistics
QUESTION 5
GS3
10 marks

Discuss the work of ‘Bose-Einstein Statistics’ done by Prof. Satyendra Nath Bose and show how it revolutionized the field of Physics.

WRITE IN
7 min
150 words

What the examiner wants

Explain Bose's statistical method and show how it changed physics.

DiscussExplain the different sides of the issue, use evidence, and finish with a balanced view.

Demand-wise check

  1. 1Work: 1924 derivation of Planck's radiation law treating photons as indistinguishable particles, without classical electrodynamics≈30 words
  2. 2Einstein translated and published it, extended it to atoms, and predicted Bose-Einstein condensation≈30 words
  3. 3Revolution: new quantum statistics; particles split into bosons and fermions; basis for lasers, superfluidity, superconductivity≈30 words
  4. 4Later proof: BEC created in 1995; Higgs boson found in 2012≈30 words

Open in about 20 words and close in about 20.

Answer plan

Context (Planck's law)Bose's methodEinstein's extensionImpact on physicsConclusion

Where marks usually go

  • Writing a biography instead of explaining the physics
  • Not stating the indistinguishability idea

Draw this

  • Simple chart: particles → bosons (Bose-Einstein) vs fermions (Fermi-Dirac), with examples

Value addition

  • FactBose's paper 'Planck's Law and the Light Quantum Hypothesis' was translated by Einstein and published in Zeitschrift fur Physik in 1924.History of physics
  • FactCornell, Wieman and Ketterle won the 2001 Nobel Prize in Physics for creating a Bose-Einstein condensate (1995).Nobel Committee, 2001
  • FactPaul Dirac coined the term 'boson' in Bose's honour.History of physics