MHT CET 2020 PCM Question Paper with Answer Key PDFs (October 20 - Shift 2)

MHT CET Questions

• 1.

  Find the ratio of K.E. and P.E. when a particle performs SHM and is at \( \frac{1}{n} \) times its amplitude from the mean position. \begin{enumerate}

  • \( n^2 - 1:1 \)
    
  • \( 1:n^2 - 1 \)
    
  • \( 1:n \)
    
  • \( n:1 \) \end{enumerate}
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• 2.

  What is the polymer of elastomer? \begin{enumerate}

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• 3.

  A pendulum having a negatively charged metal knob is oscillating on a positively charged surface. The time of the pendulum will be: \begin{enumerate}

  • Increase
    
  • Decrease
    
  • Will remain the same
    
  • Will increase and then decrease \end{enumerate}
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• 4.

  Which element has the highest oxidizing potential? \begin{enumerate}

  • Li
    
  • Cu
    
  • Al
    
  • Mg \end{enumerate}
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• 5.

  What is the working principle of a cyclotron? \begin{enumerate}

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• 6.

  Which of the following does not obey the octet rule? \begin{enumerate}

  • \( SF_6 \)
    
  • \( H_2O \)
    
  • \( CO_2 \)
    
  • \( CH_4 \) \end{enumerate}
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