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Author Question: Sometimes a flashlight filament glows red instead of white, which indicates a lowness of A) ... (Read 22 times)

Alainaaa8

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on: Jul 29, 2018
Sometimes a flashlight filament glows red instead of white, which indicates a lowness of
 
  A) current in the filament.
  B) filament temperature.
  C) both of these
  D) neither of these

Question 2

If wavelengths of emitted light become longer, the energy per photon of light
 
  A) increases.
  B) remains constant.
  C) decreases.
  D) none of the above


cascooper22

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

Answer: C

Answer to Question 2

Answer: C


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