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Science (2nd quarter 1st reci)
  • Shekaina Abel

  • 問題数 40 • 10/28/2024

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    問題一覧

  • 1

    A disturbance in the electric and magnetic field that propagates through space, transferring energy from one point to another.

    Electromagnetic Wave

  • 2

    These are transverse oscillating waves composed of electric and magnetic fields.

    Electromagnetic Wave

  • 3

    Where can we found the range of all types of EM radiation.

    Electromagnetic Spectrum

  • 4

    Enumerate the types of EM Radiation

    Radio Waves, Microwaves, Infrared, Visible Light, Ultraviolet Waves, X-rays, Gamma Rays

  • 5

    This region in the EM spectrum have the longest wavelength and the lowest frequency.

    Radio Waves

  • 6

    This type of waves can be naturally generated in the atmosphere.

    Radio Waves

  • 7

    This band is also called as the myriameter band.

    Very Low Frequency Waves

  • 8

    These waves are used for military communications with submarines.

    Very Low Frequency Waves

  • 9

    These are used for long-distance communications.

    Low Frequency Waves

  • 10

    They are commonly used for amplitude modulation (AM) broadcasting and air traffic control.

    Medium Frequency Waves

  • 11

    These are used international broadcasting stations.

    High Frequency Waves

  • 12

    These are used in digital audio broadcasting and mobile radio systems.

    Very High Frequency Waves

  • 13

    Has a frequency ranging from 300 MHz to 3 GHz and wavelengths ranging from 10 cm to 1 m.

    Ultra High Frequency Waves

  • 14

    This have-sub-bands with different wavelengths and uses, such as L, S, C, and K.

    Microwaves

  • 15

    This band under microwave is used for GPS

    L-bands

  • 16

    These signals are transmitted by an antenna to a satellite which amplifies and re-transmits the signal to an antenna in other parts of the world.

    Microwave Signals

  • 17

    These waves are applied in so many ways from texting to cooking, and to communications to the rest of the world.

    Microwaves

  • 18

    Found between microwaves and visible light.

    Infrared Wave

  • 19

    He first recorded the thermal measurement at the far end of the red spectrum.

    William Herschell

  • 20

    This wave is used for remote sensing.

    Infrared Wave

  • 21

    This wave is used for thermal imaging

    Infrared Wave

  • 22

    This is the only part of the EM Spectrum that can be seen by the unaided eye

    Visible Light

  • 23

    When this wave is emitted, certain patterns of lines and colors appear.

    Visible Light

  • 24

    What are the three types of ultraviolet waves from the sun.

    UV A, UV B, UV C

  • 25

    This can be used to examine most areas of the body.

    X-ray

  • 26

    They're mainly used to look at the bones and joints, although they're sometimes used to detect problems affecting soft tissue, such as internal organs.

    X-ray

  • 27

    This region is between the UV and the gamma regions.

    X-ray

  • 28

    These are form of electromagnetic radiation with very high energy, which can cause significant changes at the cellular level.

    Gamma Rays

  • 29

    This contains the highest energy of all the types of radiation in the EM spectrum.

    Gamma Rays

  • 30

    This type of wave produced by objects with very high energy.

    Gamma Rays

  • 31

    This radiation includes microwaves, radio waves IR, Visible Light, and UV

    Non-ionizing Radiation

  • 32

    This radiation include X-rays and gamma rays.

    Ionizing Radiation

  • 33

    This exposure happens when you get high amounts of radiation exposure over a very short period of time, such as a person undergoing cancer treatment.

    Acute Exposure

  • 34

    This exposure occurs when a person is exposed to a small amount of radiation over a long period of time.

    Chronic Exposure

  • 35

    What are the two types of Extremely Low Frequency Waves?

    Naturally Occuring Elf, Artificial Elf

  • 36

    Enumerate the bands of Radio Waves

    Extremely Low Frequency Waves, Very Low Frequency Waves, Low Frequency Waves, Medium Frequency Waves, High Frequency Waves, Very High Frequency Waves, Ultra High Frequency Waves

  • 37

    In this wave, the electric field is perpendicular to the magnetic field.

    Electromagnetic Wave

  • 38

    This wave can be seen between UV Waves and Gamma Rays.

    X-ray

  • 39

    Which has the higher frequency, the Microwave or the Infrared?

    Infrared Wave

  • 40

    This waves have a wavelengths ranging from 1 cm to 1 km, with frequencies ranging from 30 gigahertz (GHz) to 300 kilohertz (kHz).

    Radio Waves