COMEDK UGET 2016 Question Paper(Available): Download Solution PDF with Answer Key PDF

COMEDK UGET Questions

• 1.

  If potential (in volt) in a region is expressed as $ V(x, y, z) = 6xy - y + 2yz $, the electric field (in} $ \text{N/C} $ at point (1, 0, 1) is:

  • \( -7j \)
  • \( +7j \)
  • \( -6i + 7j \)
  • \( 6i - 7j \)
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• 2.

  200 ml of an aqueous solution contains 3.6 g of Glucose and 1.2 g of Urea maintained at a temperature equal to 27$^{\circ}$C. What is the Osmotic pressure of the solution in atmosphere units?
  Given Data R = 0.082 L atm K$^{-1}$ mol$^{-1}$
  Molecular Formula: Glucose = C$_6$H$_{12}$O$_6$, Urea = NH$_2$CONH$_2$

  • 6.24
  • 1.56
  • 9.84
  • 4.92
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• 3.

  Two statements, Assertion and Reason are given. Choose the correct option from the following.
  Assertion: In the secondary structure of RNA, double helix structure is formed.
  Reason: In the double structure of RNA, two nucleic acid chains are wound about each other and held together by hydrogen bonds between pairs of bases.
  

  • ssertion is correct but Reason is incorrect.
  • Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
  • Assertion is incorrect but Reason is correct.
  • Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
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• 4.

  A current of 3.0 A is passed through 750 ml of 0.45 M solution of CuSO₄ for 2 hours with a current efficiency of 90\%. If the volume of the solution is assumed to remain constant, what would be the final molarity of CuSO₄ solution?

  • 0.296
  • 0.4
  • 0.237
  • 0.316
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• 5.

  An inorganic compound W undergoes the following reactions: $ W + \text{Na}_2\text{CO}_3 \xrightarrow{\text{O}_2 / \text{heat}} X + H^+ \xrightarrow{} Y(s) $ $ Y(aq) + \text{KCl} (aq) \xrightarrow{} Z(s) $ Z appears in the form of orange crystals and is used as an oxidising agent in acid medium. Identify the compound W.

  • \(\text{K}_2\text{Cr}_2\text{O}_4\)
  • \(\text{FeCr}_2\text{O}_4\)
  • \(\text{Cu}(\text{Cr}_2\text{O}_4)_2\)
  • \(\text{Na}_2\text{Cr}_2\text{O}_7\)
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• 6.

  A body is executing SHM. When its displacements from the mean position are 4 cm and 5 cm, it has velocity 10 cm/s and 8 cm/s respectively. Its periodic time $ t $ is

  • \( \frac{2\pi}{3} \) sec
  • \( 2\pi \) sec
  • \( \frac{3\pi}{2} \) sec
  • \( \pi \) sec
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