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Author Question: Which of the following statements about thermal radiation is always true? A) A hot object emits ... (Read 64 times)

anshika

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on: Jul 27, 2018
Which of the following statements about thermal radiation is always true?
 
  A) A hot object emits more X-rays than a cool object.
  B) A hot object emits more radio waves than a cool object.
  C) A hot object emits photons with a longer wavelength than a cool object.
  D) A hot object emits photons with a higher average energy than a cool object.

Question 2

Alone of all the Galilean moons, Callisto shows no sign of plate tectonics.
 
  Indicate whether the statement is true or false


tkempin

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

D

Answer to Question 2

FALSE


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