(See attached file for full problem description with proper equations)
Two Velocities in a Traveling Wave
Wave motion is characterized by two velocities: the velocity with which the wave moves in the medium (e.g., air or a string) and the velocity of the medium (the air or the string itself).
Consider a transverse wave traveling in a string. The mathematical form of the wave is
Find the velocity of propagation of this wave.
Express the velocity of propagation in terms of some or all of the variables , , and .
Find the y velocity of a point on the string as a function of and .
Express the y velocity in terms of , , , , and .
Which of the following statements about , the x component of the velocity of the string, is true?
has the same mathematical form as but is out of phase.© BrainMass Inc. brainmass.com October 24, 2018, 7:21 pm ad1c9bdddf
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Modern optics: simple harmonic oscillation, de Broglie wavelength, interference pattern
1) Explain in your own words:
a) How is simple harmonic oscillation defined?
b) What is de Broglie wavelength?
c) Why will one not see an interference pattern for white light in the case of two slits?
d) Explain the expression wavelength so that your 10 year old brother can understand.
e) What is the difference between the interference pattern for a single slit and a double slit? Use sketches!