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Chapter 11 Winter 2011

# Chapter 11 Winter 2011 - Chapter 11 The Properties of Light...

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Unformatted text preview: Chapter 11 The Properties of Light I read all of Chapter 11 A) True B) False Last Time Waves: Amplitude, frequency, wavelength, speed Types of waves: surface, shear, compression Phenomena: Interference, reflection, refraction, diffraction Standing waves/resonance Doppler shift Quiz A sound wave passes through a crack in a doorway. As the crack is made larger, the diffraction of sound will a) Increase b) Decrease c) Remain the same As the frequency increases? Quiz The dark bands represent regions of high pressure in a sound wave. The wavelength is A B C correctly represented by D The color with the greatest frequency is A. Red B. Yellow C. Green D. Blue E. All have the same frequency The color with the greatest wavelength is? Light! s Ok, light has the same speed at all times in a vacuum. But how do we know its speed? Isn’t that hard to measure? s What is it made of? s What else in nature is similar? These questions go back as far as Galileo and Newton. A n d w e s t i l l d o n ’ t k n o w a l l t h e a n s w e r s ! Speed of Light s Olaus Romer in 1676 was looking for a precise celestial clock to use in navigating at sea....
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Chapter 11 Winter 2011 - Chapter 11 The Properties of Light...

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