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Author Question: Images of objects are formed by lenses because of a. refraction. b. diffraction. c. internal ... (Read 105 times)

Charlie

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on: Jul 28, 2018
Images of objects are formed by lenses because of
 a. refraction.
  b. diffraction.
  c. internal reflection.
  d. all of these.

Question 2

Assume a gram of a substance marketed as Pure Energy is annihilated by a gram of a second substance Anti-Pure Energy. How long would the energy released power a city which uses 109 watts of power?
 a. 40 hrs
  b. 25 hrs
  c. 50 hrs
  d. 65 hrs
  e. 50000 hrs


tsternbergh47

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

a

Answer to Question 2

c


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Charlie

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Reply #2 on: Jul 28, 2018
TY


tsternbergh47

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


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