UPCATET Question Paper 2026: Download Answer Key with Solutions PDF

UPCATET 2026 Questions

• 1.

  What is the total number of terms in the expansion of \( (x+y)^{15} \)?

  • \(15 \)
    
  • \(16 \)
    
  • \(14 \)
    
  • \(30 \)
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• 2.

  What is the value of \( ^nC_{n-1} \)?

  • \(1 \)
    
  • \(n! \)
    
  • \(n \)
    
  • \(0 \)
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• 3.

  Photons of energy \(4\,\text{eV}\) are incident on a metal surface whose work function is \(2\,\text{eV}\). If the intensity of this incident light is doubled, the maximum kinetic energy of the emitted photoelectrons will:

  • Double to \(4\,\text{eV}\)
  • Quadruple to \(8\,\text{eV}\)
  • Remain \(2\,\text{eV}\)
  • Become zero
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• 4.

  When a forward bias voltage is applied to a p-n junction diode, it:

  • Increases the potential barrier
    
  • Decreases the potential barrier
    
  • Increases the width of the depletion layer
    
  • Converts it into an insulator
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• 5.

  What is the value of \( i^{4k+2} \) where \( k \) is an integer?

  • \(1 \)
    
  • \(-1 \)
    
  • \(i \)
    
  • \(-i \)
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