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EM waves

Quiz by Romeo An

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20 questions
Show answers
  • Q1

    Which of the following EM waves is used in broadcasting?

    infrared

    microwaves

    radio waves

    visible light

    15s
  • Q2

    Which of the following EM waves is used for sterilization of drinking water?

    X-rays

    gamma rays

    microwave

    ultraviolet

    15s
  • Q3

    Which of the following is not an application of infrared?

    security markings

    thermal imaging

    remote control

    night vision goggles

    15s
  • Q4

    Which of the following stands for RADAR?

    Radio Detection and Ranging

    Radio Detention and Raging

    Radio Detection and Raging

    Radio Detention and Ranging

    15s
  • Q5

    Which among the members of the EM waves has high ionizing radiation?

    infrared

    radio waves

    visible light

    gamma rays

    15s
  • Q6

    Which of the following medicinal techniques refers to killing of cancer cells?

    psychotherapy

    aromatherapy

    sociotherapy

    radiotherapy

    15s
  • Q7

    Which of the following GPS means?

    Global Positioning System

    Guided Precision System

    Guided Positioning System

    Global Precision System

    15s
  • Q8

    Which of the following EM wave makes use of artificial lighting?

    X-ray

    gamma rays

    visible light

    infrared

    15s
  • Q9

    Why are high-frequency gamma rays more dangerous to humans than visible light?

    Gamma rays have less energy than visible light for penetrating matter.

    Gamma rays have a longer wavelength range than visible light.

    Gamma rays have a lower frequency range than visible light.

    Gamma rays have greater energy than visible light for penetrating matter.

    20s
  • Q10

    How do the electromagnetic waves affect an organism and the environment?

    by energy

    by the frequency

    by the amplitude

    by the wavelength

    15s
  • Q11

    Which pair of EM waves is commonly used for communication?

    radio waves and gamma rays

    radio waves and microwaves

    infrared and microwaves

    X-rays and infrared

    15s
  • Q12

    Which of the following is NOT an application of a visible light?

    it enables us to see things

    for thermal imaging

    gives light to the screen of our devices

    used in optical fibers

    15s
  • Q13

    Which of the following EM wave shows a break in bones?

    X-rays

    ultraviolet

    gamma rays

    infrared

    15s
  • Q14

    What kind of vitamin is being converted by Ultraviolet rays to maintaining healthy bones and teeth?

    D

    A

    B

    C

    15s
  • Q15

    Which pair of EM waves is commonly used for medical purposes?

    radio waves and visible spectrum

    X-rays and gamma

    infrared and microwaves

    radio waves and microwaves

    15s

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