CUET PG 2026 Development and Labour Studies Question Paper with Solutions

CUET PG Questions

• 1.

  What is the physical significance of the "Quality Factor" (\(Q\)-factor) in an LCR resonant circuit?

  • It represents the resistance of the circuit
    
  • It measures the sharpness of resonance
    
  • It determines the supply voltage
    
  • It gives the current amplitude directly
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• 2.

  What is the value of the line integral of a magnetic field around a closed loop according to Ampère’s Circuital Law?

  • \(0\)
    
  • \(\mu_0 I\)
    
  • \(\dfrac{I}{\mu_0}\)
    
  • \(B \times I\)
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• 3.

  What is the relation between the group velocity and phase velocity in a non-dispersive medium?

  • \(v_g>v_p\)
    
  • \(v_g<v_p\)
    
  • \(v_g = v_p\)
    
  • \(v_g = 2v_p\)
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• 4.

  Which phenomenon confirms the transverse nature of electromagnetic waves?

  • Interference
    
  • Diffraction
    
  • Polarization
    
  • Reflection
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• 5.

  What is the Boolean expression for a two-input NAND gate?

  • \(Y = A + B\)
    
  • \(Y = AB\)
    
  • \(Y = \overline{AB}\)
    
  • \(Y = \overline{A} + \overline{B}\)
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• 6.

  In a classic Young’s Double Slit Experiment, how does the fringe width change if the entire apparatus is immersed in water?

  • Fringe width increases
    
  • Fringe width decreases
    
  • Fringe width remains unchanged
    
  • Fringe width becomes infinite
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