The Properties of Light

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The Properties of Light

• Connor Oi
• Kennysen Cheong

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What is light?

• Energy in the form of electro magnetic radiation.
• Travels in the form of waves.
• 300,000 km/hour

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Properties of wavvvvves

• Amplitude, Wavelength, Period, Frequency, Speed
• These attributes determine the properties of the
  light wave.

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Visible light

• Light detected by the human eye.
• 390 750 nm
• Only light that appears within this range can be
  seen human eyes.

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Larger Wavvvvves

• Infrared, microwave, radio, etc.
• Used in night vision, thermal sensors,
  telescopes, etc.

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Smaller Waves

• Ultraviolet, X-ray, Gamma ray, etc.
• Used in
• Disinfecting drinking water, sun tans, black
  lights.

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Light in Astronomy

• Seeing light from stars is the most basic method
  of viewing the cosmos.
• Other spectrums of light can also be used to see
  further into space.
• Ultraviolet co

• Seeing light from stars is the most basic method
  of viewing the cosmos.
• Other spectrums of light can also be used to see
  further into space.

• Seeing light from stars or other bodies in space
  is the most basic method of viewing the cosmos.
• Constellations, moon, planets, etc.

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Non-visible light

• Used in Astronomy to find objects that do not
  give off visible light.
• Ultraviolet Telescope

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THE END