CBSE Class 12 Business Studies Compartment Question Paper 2022 with Answer Key (August 23, Set 2- 66/6/2)

CBSE CLASS XII Questions

• 1.

  An electron is revolving around a proton in a circular orbit of radius $r$. Using classical physics, prove that the ratio of value of the angular momentum and the value of magnetic moment of electron revolving in the orbit is a constant.

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• 2.

  A magnet held vertically, with its north pole down, is dropped along the axis of a closed solenoid placed vertically on a table. If the observer looks down from the top,

  • the induced current will flow in the anticlockwise direction.
  • the induced current will flow in the clockwise direction.
  • no induced current will flow in the solenoid.
  • the magnet will fall with a constant velocity.
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• 3.

  John, Honey and Racob were partners in a firm sharing profits and losses equally. On 31st July, 2025 John died. His share in the profits of the firm from the date of last balance sheet till the date of his death will be:

  • Debited to Profit and Loss Account
    
  • Credited to Profit and Loss Account
    
  • Debited to Profit and Loss Suspense Account
    
  • Credited to Profit and Loss Suspense Account
    
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• 4.

  Identify the plant in which emasculation is not required for artificial hybridization.
  

  • Rice
    
  • Wheat
    
  • Pea
    
  • Papaya
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• 5.

  The number of free electrons per unit volume ($\text{m}^3$) in a wire made of copper (resistivity $1.72 \times 10^{-8}\,\Omega\,\text{m}$) is $8.5 \times 10^{28}$. Calculate the average number of collisions made by an electron in one second when an electric field is maintained in the wire.

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• 6.

  ‘Taylor called for complete mental revolution on the part of both management and workers. It means that management and workers should transform their thinking.’

  The principle of Scientific Management being referred to, in the above statement is :

  • Science, not Rule of Thumb
  • Harmony, not Discord
  • Cooperation, not Individualism
  • Development of each and every person to his or her Greatest Efficiency and Prosperity
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