Light - Iona Physics · 1 May 1212:11 PM Light May 1212:12 PM Apr 266:17 PM Chapter 27: Light...
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1 May 1212:11 PM Light May 1212:12 PM Apr 266:17 PM Chapter 27: Light Question: Particle or wave? Newton Particles Huygens Wave Einstein 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 x10 8 m/s Definition: Light travels exactly 2.99792458 x10 8 m/s May 117:29 AM
Transcript of Light - Iona Physics · 1 May 1212:11 PM Light May 1212:12 PM Apr 266:17 PM Chapter 27: Light...
1
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
May 117:29 AM
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May 117:36 AM
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
May 117:40 AM
Eclipses:
May 117:45 AM
Polarization