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Author Question: The ultraviolet catastrophe is a catastrophe because A) human vision cannot detect ultraviolet ... (Read 92 times)

karlynnae

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The ultraviolet catastrophe is a catastrophe because
 
  A) human vision cannot detect ultraviolet light directly.
  B) Wien's law predicts an infinite intensity of radiation at small wavelengths.
  C) Wien's law predicts an infinite intensity of radiation at large wavelengths.
  D) ultraviolet light will not produce electrons by the photoelectric effect.

Question 2

What is the wavelength (in meters) of a wave whose displacement is given by y = 0.5 sin(0.20x + 120t), where x and y are in meters and t in seconds?
 
  A) 5.0 m
  B) 10. m
  C) 19. m
  D) 31. m
  E) 0.20 m



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ngr69

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Answer to Question 1

B

Answer to Question 2

D





 

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