BHU PET 2019 M.COM Question Paper with Answer Key PDFs (May 20 - Shift 2)

BHU PET Questions

• 1.

  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
    
  View Solution

  ---

• 2.

  In a survey of 700 students in a college, 180 were listed as drinking Limca, 275 as drinking Miranda, and 95 were listed as drinking both. How many students were drinking neither Limca nor Miranda?
  

  • 360
    
  • 350
    
  • 340
    
  • 320
    
  View Solution

  ---

• 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
    
  View Solution

  ---

• 4.

  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

  ---

• 5.

  Select the word which has been correctly spelt:
  

  • Superintendant
    
  • Superintendant
    
  • Superintandant
    
  • Superintendent
    
  View Solution

  ---

• 6.

  Which of the following is an optically active substance?
  

  • Calcite
    
  • Tourmaline
    
  • Quartz
    
  • Sodium Chloride
    
  View Solution