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Author Question: What is the momentum of a photon of light that has a wavelength of 480 nm? A) 1.1 10-27 kgm/s ... (Read 17 times)

fahad

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on: Jul 29, 2018
What is the momentum of a photon of light that has a wavelength of 480 nm?
 
  A) 1.1  10-27 kgm/s
  B) 2.2  10-27 kgm/s
  C) 1.8  10-27 kgm/s
  D) 1.4  10-27 kgm/s
  E) 2.0  10-27 kgm/s

Question 2

Which one of the following is the correct statement regarding the resistance?
 
  A) The resistance of a conductor decreases with temperature.
  B) The resistance of a semiconductor increases with temperature.
  C) The resistance of a wire is directly proportional to the length of the wire.
  D) All of the above statements are correct.
  E) None of the above statements is correct.


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Pariscourtney

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Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

C


fahad

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Reply 2 on: Jul 29, 2018
Excellent

momolu

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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