ELECTROMAGNETIC WAVES: QUIZ ON ELECTROMAGNETIC WAVES

Q1 Electromagnetic waves are transverse in nature is evident from 

  • Polarization
  • Interference
  • Reflection
  • Diffraction

  • Polarization


Q2 Which of the following are not electromagnetic waves

  • Cosmic rays
  • γ-rays
  • 𝝱 rays 
  • X -rays 

  • 𝝱 -rays 
  •  

    Q3 Which of the following radiations have least wavelength?

    • γ-rays 
    • 𝞪-rays
    • 𝛃-rays
    • 𝘅-rays 

    • 𝝀-rays 


    Q4 Infrared radiations are detected by  

    • Spectrometer
    • Pyrometer
    • Nanometer
    • Photometer

    • Pyrometer 



    Q5 The electric and magnetic fields in an electromagnetic wave are

    • in phase and perpendicular to each other 
    • in opposite phase and perpendicular to each other 
    • in phase and parallel  to each other 
    • in opposite phase and parallel to each other 

    • in phase and perpendicular to each other 


    Q6 Which of the following are not electromagnetic waves?

    • X-rays
    • γ-rays 
    • Heat-rays
    • 𝛃-rays

  • 𝛃-rays
  •  

    Q7 Which of the following radiations have least wavelength?

    • X-rays
    • γ-rays 
    • Ultra-violet rays
    • Cosmic rays 

    • γ-rays


    Q8 Decreasing order of wavelength of infrared, microwaves, ultraviolet and γ - rays is 

    • infrared, microwaves, ultraviolet, γ - rays 
    • infrared, microwaves, γ - rays ,ultraviolet, 
    • microwaves, infrared, ultraviolet, γ - rays 
    • ultraviolet, microwaves, infrared, ultraviolet, γ - rays 

    • microwaves, infrared, ultraviolet, γ - rays 


    Q9 According to Maxwell's hypothesis, a changing electric field gives rise to 

    • electric current
    • magnetic field 
    • an e.m.f. 
    • pressure gradient

    • magnetic field 


    Q10 Which of the following will deflect in electric field?

    • X-rays 
    • γ- rays
    • cathode rays
    • ultraviolet rays

    • cathode rays


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