DUET 2018 M.Phil./Ph.D. in Political Science Question Paper with Answer Key PDF (June 17 - Shift 2)

DUET Questions

• 1.

  Which will undergo fastest $82$ substitution reaction when treated with $NaOH$?

  • $H_5C_2 - \underset{\overset{|}{H}}{\overset{\underset{|}{C}H_3}{C}} - Br$
  • $CH_3 - \underset{\overset{|}{C}H_3}{\overset{\underset{|}{C}H_3}{C}} - Br$
  • $H - \underset{\overset{|}{C_2}H_5}{\overset{\underset{|}{C}H_3}{C}} - Br$
  • $H - \underset{\overset{|}{Br}}{\overset{\underset{|}{H}}{C}} - CH_2 - CH_2 - CH_3$
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• 2.

  Sigmoid growth curve is represented by

  • $ dN/dt=rN $
  • $ dN/dt=rN\,\,(1-N/K) $
  • $ Nt/No +B +I-D-E $
  • $ dN/dt=1-N/K $
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• 3.

  How many $ 1\,\mu F $ capacitors must be connected in parallel to store a charge of $1\, C$ with a potential of $110\, V$ across the capacitors?

  • 990
  • 900
  • 9090
  • 909
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• 4.

  Which of the following graphs shows the variation of acceleration due to gravity $g$ with depth $h$ from the surface of the earth?

  • 

  • 

  • 

  • 

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• 5.

  Most stable carbocation is

  • 

  • 

  • 

  • 

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• 6.

  During the phenomenon of resonance

  • the amplitude of oscillation becomes large
  • the frequency of oscillation becomes large
  • the time period of oscillation becomes large
  • All of the above
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