BHU PET 2017 M.A Bengali Question Paper with Answer Key PDFs

BHU PET Questions

• 1.

  In the inversion curve for a gas, in the region of cooling:
  

  • Joule-Kelvin coefficient is negative
    
  • Joule-Kelvin coefficient is positive
    
  • Joule-Kelvin coefficient is zero
    
  • None of the three
    
  View Solution

  ---

• 2.

  During a quasi-static process:
  

  • The system is not in thermodynamic equilibrium
    
  • The system is at all times infinitesimally near a state of thermodynamic equilibrium
    
  • The system is far away from a state of thermodynamic equilibrium
    
  • None of the three
    
  View Solution

  ---

• 3.

  Select the word which has been correctly spelt:
  

  • Comparison
    
  • Comperison
    
  • Comparision
    
  • Comperision
    
  View Solution

  ---

• 4.

  Mathematical formulation of the first law contains the idea of:
  

  • The existence of an internal energy function
    
  • The principle of the conservation of energy
    
  • The definition of heat as energy in transit by virtue of a temperature difference
    
  • All of the three
    
  View Solution

  ---

• 5.

  States of thermodynamic equilibrium can be described in terms of:
  

  • Macroscopic thermodynamic coordinates
    
  • Macroscopic thermodynamic coordinates that involve time also
    
  • Microscopic coordinates
    
  • Microscopic coordinates that involve time also
    
  View Solution

  ---

• 6.

  If a black body radiation enclosure expands, so that its volume becomes 64 times, the temperature of the enclosure becomes:
  

  • One fourth
    
  • Four times
    
  • 16 times
    
  • 8 times
    
  View Solution