CBSE Class 12 Mathematics Compartment Question Paper 2020 with Answer Key (September 22, Set 2- 65/C/2)

CBSE CLASS XII Questions

• 1.

  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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• 2.

  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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• 3.

  (i) How does a farmer use dormancy of seed to his advantage ?

  (ii) Differentiate between pea seed and castor seed.

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• 4.

  Identify the parts P, Q, R, S in the figure given below and select the option in the correct order.

  

  • P - Seed, Q - Thalamus, R - Mesocarp, S - Endocarp
    
  • P - Thalamus, Q - Seed, R - Endocarp, S - Mesocarp
    
  • P - Seed, Q - Thalamus, R - Endocarp, S - Mesocarp
    
  • P - Thalamus, Q - Seed, R - Mesocarp, S - Endocarp
    
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• 5.

  The following information was extracted from the Statement of Profit and Loss of Chaman Ltd. for the year ended 31st March, 2025:

  Particulars	31.3.2025 (Rs)	31.3.2024 (Rs)
  Revenue from operations	40,00,000	32,00,000
  Employee Benefit Expenses	20,00,000	16,00,000
  Other Expenses	2,00,000	4,00,000
  Tax Rate	50%

  Prepare a Comparative Statement of Profit and Loss.

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• 6.

  Draw the structure of 'X' in the following reaction:
  

  

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