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Author Question: The ultraviolet catastrophe is a catastrophe because A) human vision cannot detect ultraviolet ... (Read 89 times)

karlynnae

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on: Jul 27, 2018
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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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


karlynnae

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Reply #2 on: Jul 27, 2018
TY


ngr69

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Reply #3 on: Jul 27, 2018
You're welcome


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