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12th Standard English Medium Physics Subject Electromagnetic Waves Creative 2 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Physics

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10
  1. Write the uses of Micro waves.

  2. (i) In which situation is there a displacement current but no conduction current?
    (ii) Find the displacement current across the plate of the capacitor whose charging current is 0.25 A.

  3. Why are Infrared radiation referred to as heatwaves? Name the radiations, which are next to these radiation having
    (i) shorter λ
    (ii) longer λ.

  4. Which part of Electromagnetic is absorbed from sunlight by ozone layer?
    (i) Write its source and
    (ii) mention its uses.

  5. What is the orgin of displacement currtent?

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