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Author Question: Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters. (E = h, h = ... (Read 65 times)

shofmannx20

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on: Aug 27, 2018
Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters. (E = h, h = 6.63  10-34 J.sec; speed of light = wavelength  , speed of light = 3.0  108 meters/sec.)
 
  A) 4.9  1019 J
  B) 7.3  10-19 J
  C) 3.6  10-18 J
  D) 1.6  10-24 J

Question 2

What is the wavelength (in meters) of radio waves that have a frequency of 89.9 MHz? (wavelength  frequency = speed of light; speed of light = 3.0  108 meters/sec.)
 
  A) 3.3 centimeters
  B) 2.7  1016 millimeters
  C) 0.30 meters
  D) 3.3 meters


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makaylafy

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

D

Answer to Question 2

D


shofmannx20

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Reply 2 on: Aug 27, 2018
Gracias!

essyface1

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Reply 3 on: Yesterday
:D TYSM

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