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26 questions
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  • Q1

    Which is the center of transmitting and receiving radio waves towards television and radio communication?

    Base Station Antenna

    Speakers

    LCD’s

    Wires

    30s
  • Q2

    What will happen if the antenna of the analog television is placed inside the house?

    Pictures are blurred, but the sound is good due to the transmitter’s location

    Pictures and sound transmitted are weak due to the location of the transmitter

    Pictures are clear, but the sound is intermittent due to its enclosed location

    Pictures and sound transmitted are strong due to its enclosed location.

    30s
  • Q3

    Which is NOT included in the group for radio communication?

    WIFI Router

    Oscillator

    Antennas

    Amplifier

    30s
  • Q4

    Which causes sugar, water, and fat to vibrate at extremely high frequencies?

    Kinetic energy

    Radiation energy

    Cavity magnetron

    Microwave energy

    30s
  • Q5

    Which item must NOT be placed inside the microwave oven?

    Hard-boiled eggs

    Pyrex cup

    Foil

    Styrofoam

    30s
  • Q6

    TV remote control

    infrared

    gamma rays

    microwave

    radio wave

    30s
  • Q7

    Food Irradiation

    gamma rays or x-rays

    microwave or gamma rays

    x-rays or radio wave

    radio wave or microwave

    30s
  • Q8

    Weather satellite

    microwave or infrared

     infrared or radio wave

    infrared or microwave

    radio wave or microwave

    30s
  • Q9

    Phototherapy

    infrared

    ultraviolet ray

    gamma rays

    x-rays

    30s
  • Q10

    Industrial Radiograph

    ultraviolet ray

    radio wave

    x-rays

    gamma rays

    30s
  • Q11

    Identify the wave depicted by the picture

    Question Image

    Infrared

    Visible Light

    Radiowave

    Microwave

    30s
  • Q12

    Identify the wave depicted by the picture

    Question Image

    Microwave

    Infrared

    Visible Light

    Radiowave

    30s
  • Q13

    Identify the wave depicted by the picture

    Question Image

    Infrared

    Microwave

    Visible Light

    Radiowave

    30s
  • Q14

    Identify the wave depicted by the picture

    Question Image

    Microwave

    Radiowave

    Visible Light

    Infrared

    30s
  • Q15

    Identify the wave depicted by the picture

    Question Image

    X-Ray

    Visible Light

    Gamma Ray

    Ultraviolet Light

    30s

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