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May 1212:11 PM
Light
May 1212:12 PM
Apr 266:17 PM
Chapter 27: Light
Question: Particle or wave?
Newton ParticlesHuygens WaveEinstein Particles (photons)
Apr 266:17 PM
Now:
Light has a dual nature, sometimes it acts like a particle and sometimes it acts like a wave.
May 117:34 AM
Speed of Light = 3.00 x108 m/s
Definition: Light travels exactly 2.99792458 x108 m/s
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2
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Substances may be • Transparent• Translucent• Opaque
Light makes atoms vibrate and they pass the vibration along.
May 117:38 AM
Shadows:From a point source
From an extended source
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Eclipses:
May 117:45 AM
Polarization
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