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Author Question: A concave mirror has radius R. When an object is located a distance 2R from the lens, which ... (Read 74 times)

sarasara

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on: Jul 28, 2018
A concave mirror has radius R. When an object is located a distance 2R from the lens, which describes the image formed?
 a. real, inverted, reduced
  c. virtual, upright, reduced
  b. real, inverted, of equal size
  d. real, inverted, enlarged

Question 2

A metal bar is used to conduct heat. When the temperature at one end is 100C and at the other is 20C, heat is transferred at a rate of 16 J/s. If the temperature of the hotter end is reduced to 60C, what will be the rate of heat transfer?
 a. 4 J/s
  c. 9 J/s
  b. 8 J/s
  d. 12 J/s


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katieost

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


sarasara

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Reply #2 on: Jul 28, 2018
TY


katieost

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Reply #3 on: Jul 28, 2018
You're welcome


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