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Author Question: A Carnot engine is operated as a refrigerator, taking in 18. J of heat every second and expelling ... (Read 166 times)

captainjonesify

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on: Jul 27, 2018
A Carnot engine is operated as a refrigerator, taking in 18. J of heat every second and expelling 20. J into a 23.C room. What is the temperature inside the refrigerator?
 
  A) 300. K
  B) 15C
  C) -15C
  D) -6.6C
  E) 3.0C

Question 2

In a double-slit experiment, it is observed that the distance between adjacent maxima on a remote screen is 1 cm. What happens to the distance between adjacent maxima when the slit separation is cut in half?
 
  A) It increases to 2 cm.
  B) It increases to 4 cm.
  C) It decreases to 0.5 cm.
  D) It decreases to 0.25 cm.
Physics ¦ Walker ¦ 5th Edition
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ally

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

D

Answer to Question 2

A


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captainjonesify

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


ally

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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