KCET Question Paper 2021 (Available): Check Previous Year Question Paper with Solution PDF (2023-2004)

KCET 2021 Questions

• 1.

  At 27°C temperature, the mean kinetic energy of the atoms of an ideal gas is \( E_1 \). If the temperature is increased to 327°C, then the mean kinetic energy of the atoms will be
  

  • \( 2E_1 \)
    
  • \( \frac{E_1}{2} \)
    
  • \( \frac{3}{2} E_1 \)
    
  • \( \sqrt{2} E_1 \)
    
  View Solution

  ---

• 2.

  A potential at a point A is 3 V and that at another point B is 5 V. What is the work done in carrying a charge of 5 mC from B to A?
  

  • 4 J
    
  • -40 J
    
  • 40 J
    
  • -0.4 J
    
  View Solution

  ---

• 3.

  The circuit shown in the figure contains two ideal diodes \( D_1 \) and \( D_2 \). If a cell of emf 3V and negligible internal resistance is connected as shown, then the current through \( 70 \, \Omega \) resistance (in amperes) is: 
  

  • 0.03 A
    
  • 0.06 A
    
  • 0.01 A
    
  • 0.02 A
    
  View Solution

  ---

• 4.

  The mean deviation about the mean for the data \( 4, 7, 8, 9, 10, 12, 13, 17 \) is:
  

  • 3
    
  • 8.5
    
  • 4.03
    
  • 10
    
  View Solution

  ---

• 5.

  The distance of the point \( P(-3,4,5) \) from the yz-plane is:

  • 5 units
    
  • 3 units
    
  • 4 units
    
  • 3 units
    
  View Solution