JEECUP 2026 Group K3 Electronics Engineering (LE) Question Paper: Download Answer Key with Solutions

JEECUP Questions

• 1.

  A block of mass 5 kg is placed on a frictionless surface and pushed with a force of 20 N at an angle of 30° to the horizontal. What is the acceleration of the block?

  • 3.46 m/s²
    
  • 4.00 m/s²
    
  • 3.00 m/s²
    
  • 2.31 m/s²
    
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• 2.

  A light wave of wavelength 600 nm passes through a double-slit apparatus with a slit separation of 0.2 mm. What is the angular separation (in degrees) of the first-order bright fringe?

  • 0.344°
    
  • 0.172°
    
  • 0.516°
    
  • 0.688°
    
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• 3.

  A bag contains 4 red and 6 blue balls. Two balls are drawn at random without replacement. What is the probability that both are red?

  • 1/15
    
  • 2/15
    
  • 4/45
    
  • 2/45
    
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• 4.

  Ravi can do \( \frac{3}{4} \) of a work in 12 days. In how many days Ravi can finish the \( \frac{1}{2} \) work?

  • 7 days
  • None of these
  • 8 days
  • 6 days
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• 5.

  If \( 5\sqrt{5} \times 5^3 \div 5^{-3/2} = 5^a \), then the value of \( a \) is:

  • 8
  • 5
  • 6
  • 4
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• 6.

  The roots of the quadratic equation x² - 5x + k = 0 are real and distinct. What is the range of values for k?

  • \( k<\frac{25}{4} \)
    
  • \( k>\frac{25}{4} \)
    
  • \( k \leq \frac{25}{4} \)
    
  • \( k \geq \frac{25}{4} \)
    
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