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Author Question: Monochromatic light hits a piece of glass. Assuming the frequency remains constant, what happens to ... (Read 79 times)

LaDunn

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on: Jul 28, 2018
Monochromatic light hits a piece of glass. Assuming the frequency remains constant, what happens to the wavelength in the glass as the index of refraction decreases?
 a. decreases
  c. increases
  b. approaches 3  108 m
  d. remains constant

Question 2

100 g of liquid nitrogen at its boiling point of 77 K is stirred into a beaker containing 600 g of 15C water. If the nitrogen leaves the solution as soon as it turns to gas, how much water freezes? The heat of vaporization of nitrogen is 48 cal/g and that of water is 80 cal/g.
 a. none
  c. 68 g
  b. 29 g
  d. 109 g


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livaneabi

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

C

Answer to Question 2

A


LaDunn

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Reply 2 on: Jul 28, 2018
Gracias!

elyse44

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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