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37問 • 2年前
  • tokkijijii
    • 通報

    問題一覧

  • 1

    _______ are in the lower middle range of frequencies in the EM spectrum

    Infrared waves

  • 2

    Colors of cold temperature

    Blue, Green

  • 3

    Colors of warm temperature

    Red, Yellow

  • 4

    Example of infrared light

    Television remote controls

  • 5

    Applications of infrared radiation

    Infrared photographs taken from a satellite with special films provide useful details of the vegetation on the Earth's surface, Infrared scanners are used to show the temperature variation of the body, Infrared remote controls are used in TV, video, cassette recorders, and other electronic appliances, Infrared camera has transmitter that sends out infrared pulses, A night-vision google

  • 6

    Color with longest wavelength

    Red

  • 7

    Color with shortest wavelength

    Violet

  • 8

    The spectrum of white light is therefore called the ?

    Visible spectrum

  • 9

    Our eyes are sensitive to electromagnetic waves of wavelengths that ranges from ?

    4×10^-7m to 7×10^-7m

  • 10

    Visible light is essential for ___________

    Photosynthesis

  • 11

    It is the process by which green plant makes food

    Photosynthesis

  • 12

    A luminous object can produce

    Incandescent light, Fluorescent light, Neon light

  • 13

    Form of light produced by heat

    Incandescent light

  • 14

    Ordinary light bulbs in our homes that needs electricity to produce light

    Incandescent light

  • 15

    Light that is cooler and uses much less energy

    Fluorescent light

  • 16

    Light that can be seen in thin glass tubes of brightly colored lights

    Neon lights

  • 17

    ___________ have shorter wavelengths than the visible light and carry more energy

    Ultraviolet waves

  • 18

    Main source of ultraviolet radiation

    Sun

  • 19

    Artificial source of UV Light

    Uv lamp

  • 20

    Used by banks to check the signature on a passbook

    Uv lamp

  • 21

    Used in sterilizing water from drinking fountains

    Uv radiation

  • 22

    UV radiation in sunlight produces ______ in the skin and gives us tanning effect

    Vitamin d

  • 23

    The transmission of energy in the form of waves or particles through space of through a material medium

    Radiation

  • 24

    Ionizing radiation

    Ultraviolet, X-rays, Gamma rays

  • 25

    Application of x-ray

    Penetrating radiation

  • 26

    Shorter wavelength but carries higher energy than the UV wave

    X-ray

  • 27

    X-rays are produced using an ______

    X-ray tube

  • 28

    Who discovered X-ray?

    Wilhelm Conrad

  • 29

    When did Wilhelm Conrad discover x-ray

    1895

  • 30

    _____________ x-rays can penetrate the flesh but not the bones

    Long wavelength

  • 31

    ________ x-rays can penetrate even through metals

    Short wavelength

  • 32

    Application of gamma rays

    Nuclear energy

  • 33

    The shortest in wavelength and highest in frequency in EM spectrum

    Gamma rays

  • 34

    It is emmited by only the most energetic cosmic objects such as pulsars, neutron stars, supernova, and black holes

    Gamma rays

  • 35

    ______ can destroy living cells

    Gamma rays

  • 36

    Gamma rays are used to treat cancer through the process called ?

    Radiotherapy

  • 37

    They are used for sterilization of drinking water

    Gamma rays

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    tokkijijii · 33問 · 2年前

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    Volcanoes

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    Bulkan

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    tokkijijii · 15問 · 2年前

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    tokkijijii · 27問 · 2年前

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    27問 • 2年前
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    tokkijijii · 13問 · 2年前

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    13問 • 2年前
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    tokkijijii · 8問 · 2年前

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    tokkijijii · 25問 · 2年前

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    25問 • 2年前
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    Ugnayan ng pangkalahatang kita, pag-iimpok at pagkonsumo

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    tokkijijii · 16問 · 2年前

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    16問 • 2年前
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    tokkijijii · 18問 · 2年前

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    18問 • 2年前
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    tokkijijii · 10問 · 2年前

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    tokkijijii · 21問 · 2年前

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    tokkijijii · 48問 · 2年前

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    48問 • 2年前
    tokkijijii

    問題一覧

  • 1

    _______ are in the lower middle range of frequencies in the EM spectrum

    Infrared waves

  • 2

    Colors of cold temperature

    Blue, Green

  • 3

    Colors of warm temperature

    Red, Yellow

  • 4

    Example of infrared light

    Television remote controls

  • 5

    Applications of infrared radiation

    Infrared photographs taken from a satellite with special films provide useful details of the vegetation on the Earth's surface, Infrared scanners are used to show the temperature variation of the body, Infrared remote controls are used in TV, video, cassette recorders, and other electronic appliances, Infrared camera has transmitter that sends out infrared pulses, A night-vision google

  • 6

    Color with longest wavelength

    Red

  • 7

    Color with shortest wavelength

    Violet

  • 8

    The spectrum of white light is therefore called the ?

    Visible spectrum

  • 9

    Our eyes are sensitive to electromagnetic waves of wavelengths that ranges from ?

    4×10^-7m to 7×10^-7m

  • 10

    Visible light is essential for ___________

    Photosynthesis

  • 11

    It is the process by which green plant makes food

    Photosynthesis

  • 12

    A luminous object can produce

    Incandescent light, Fluorescent light, Neon light

  • 13

    Form of light produced by heat

    Incandescent light

  • 14

    Ordinary light bulbs in our homes that needs electricity to produce light

    Incandescent light

  • 15

    Light that is cooler and uses much less energy

    Fluorescent light

  • 16

    Light that can be seen in thin glass tubes of brightly colored lights

    Neon lights

  • 17

    ___________ have shorter wavelengths than the visible light and carry more energy

    Ultraviolet waves

  • 18

    Main source of ultraviolet radiation

    Sun

  • 19

    Artificial source of UV Light

    Uv lamp

  • 20

    Used by banks to check the signature on a passbook

    Uv lamp

  • 21

    Used in sterilizing water from drinking fountains

    Uv radiation

  • 22

    UV radiation in sunlight produces ______ in the skin and gives us tanning effect

    Vitamin d

  • 23

    The transmission of energy in the form of waves or particles through space of through a material medium

    Radiation

  • 24

    Ionizing radiation

    Ultraviolet, X-rays, Gamma rays

  • 25

    Application of x-ray

    Penetrating radiation

  • 26

    Shorter wavelength but carries higher energy than the UV wave

    X-ray

  • 27

    X-rays are produced using an ______

    X-ray tube

  • 28

    Who discovered X-ray?

    Wilhelm Conrad

  • 29

    When did Wilhelm Conrad discover x-ray

    1895

  • 30

    _____________ x-rays can penetrate the flesh but not the bones

    Long wavelength

  • 31

    ________ x-rays can penetrate even through metals

    Short wavelength

  • 32

    Application of gamma rays

    Nuclear energy

  • 33

    The shortest in wavelength and highest in frequency in EM spectrum

    Gamma rays

  • 34

    It is emmited by only the most energetic cosmic objects such as pulsars, neutron stars, supernova, and black holes

    Gamma rays

  • 35

    ______ can destroy living cells

    Gamma rays

  • 36

    Gamma rays are used to treat cancer through the process called ?

    Radiotherapy

  • 37

    They are used for sterilization of drinking water

    Gamma rays