KCET 2014 Mathematics Question Paper with Answer Key PDF (May 1)

KCET Questions

• 1.

  After absorbring a slowly moving neutron of Mass mN (momentum $\approx$ 0) a nucleus of mass M breaks into two nuclei of masses $m_1$ and $5m_1$ ($6\, m_1 = M + mN$ ) respectively. If the de Broglic wavelength of the nucleus with mass $m_1$ is $\lambda$, the de Broglie wevelength of the nucleus will be:

  • $5\,\lambda$
  • $\lambda $\5
  • $\lambda$
  • $25\,\lambda$
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• 2.

  All veins carry deoxygenated blood except

  • pulmonary vein
  • hepatic vein
  • hepatic portal vein
  • renal vein
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• 3.

  Plexiglass is a commercial name of

  • glyptal
  • polyacrylo nitrile
  • polymethyl methacrylate
  • polyethyl acrylate
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• 4.

  Among the following, the achiral amino acid is

  • 2-ethylalanine
  • 2-methylglycine
  • 2-hydroxymethylserine
  • tryptophan
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• 5.

  On the basis of standard electrode potential of redox couples given below, find out which of the following is the strongest oxidising agent. (E$^{\circ}$ values : $Fe^{3+}\left| Fe^{2+}=+ 0.77 V ; I_{2\left(s\right)}\right|I^{- } =$ $+ 0.54 V; Cu^{2+}\left|Cu= + .34 V ; Ag^{+}\right| Ag = + 0.80 V$)

  • $Fe^{3+}$
  • $I_{2(s)}$
  • $Cu^{2+}$
  • $Ag^{+}$
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• 6.

  Which one of the following is an amphoteric oxide?

  • $ZnO$
  • $Na _{2} O$
  • $SO _{2}$
  • $B _{2} O _{3}$
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