KEAM 2021 Question Papers: Download Previous Year Question Paper with Answer Key PDFs

KEAM 2021 Questions

• 1.

  Which of the following has the least atomic radius?

  • B
    
  • C
    
  • N
    
  • O
    
  • F
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• 2.

  The distance between two charges \( q_1 = +2 \, \mu C \) and \( q_2 = +8 \, \mu C \) is 15 cm. Calculate the distance from the charge \( q_1 \) to the points on the line segment joining the two charges where the electric field is zero.

  • 1 cm
    
  • 2 cm
    
  • 3 cm
    
  • 4 cm
    
  • 5 cm
    
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• 3.

  If the line \( 2x - 3y + c = 0 \) passes through the focus of the parabola \( x^2 = -8y \), then the value of \( c \) is equal to:

  • 4
    
  • -6
    
  • 6
    
  • -4
    
  • 2
    
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• 4.

  A straight line passing through (6,1,3) meets the line \( \frac{x-1}{2} = \frac{y}{1} = \frac{z-2}{3} \) at Q. If the lines are perpendicular to each other, then the coordinates of Q are:
  

  • (3, 1, 5)
    
  • (1, 2, 3)
    
  • (2, 1, 3)
    
  • (2, -1, 3)
    
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• 5.

  Which one of the following elements is represented as Eka-silicon in Mendeleev's periodic table?

  • Gallium
    
  • Germanium
    
  • Aluminium
    
  • Tin
    
  • Arsenic
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