BHU PET 2019 M.SC AG. Soil Science- Soil and Water Conservation Question Paper with Answer Key PDFs (May 15 - Shift 2)

BHU PET Questions

• 1.

  One liter atmosphere equals:
  

  • 101 Joule
    
  • 8.31 Joule
    
  • 0.082 Joule
    
  • \( 1.01 \times 10^5 \) Joule
    
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• 2.

  The radius of the first zone in a zone plate of focal length 40 cm for light of wavelength 4000 Å is:
  

  • 0.4 cm
    
  • 0.04 cm
    
  • 0.16 cm
    
  • 0.010 cm
    
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• 3.

  At \( 4^\circ C \) for water, \( C_P = C_V \) because:
  

  • \( \left( \frac{\partial P}{\partial V} \right)_T = 0 \)
    
  • \( \left( \frac{\partial V}{\partial T} \right)_P = 0 \)
    
  • \( \left( \frac{\partial P}{\partial T} \right)_V = 0 \)
    
  • None of the three
    
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• 4.

  Which of the following is an optically active substance?
  

  • Calcite
    
  • Tourmaline
    
  • Quartz
    
  • Sodium Chloride
    
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• 5.

  Specific heat of saturated steam is:

  • Positive
    
  • Negative
    
  • Zero
    
  • 1 cal/gm-degree
    
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• 6.

  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
    
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