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physics 322: optics chapter 2 : wave motion 1 - What is the phase angle of...

physics 322: optics

chapter 2 : wave motion
1 -
What is the phase angle of a traveling wave? What is the phase difference between two waves?
Give an example of two waves with ?/2 phase difference.
Explain and show your detailed work.
_______
2-
You count 20 complete waves pass a certain point in 140 ? and you measure 9.50 ? from a
crest to the next trough on the passing waves.
a) Calculate the period of these waves.
b) What is the velocity of this wave?
c) How many wavelengths will fit into a distance of 380 ??

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