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Author Question: A monochromatic beam of light in air has a wavelength of 632 nm. It passes through glass (n = 1.52) ... (Read 84 times)

stephzh

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on: Jul 28, 2018
A monochromatic beam of light in air has a wavelength of 632 nm. It passes through glass (n = 1.52) and then through carbon disulfide (n = 1.63). What is its wavelength in the carbon disulfide?
 a. 361 nm
  c. 895 nm
  b. 960 nm
  d. 388 nm

Question 2

A 50-g cube of ice, initially at 0.0C, is dropped into 200 g of water in an 80-g aluminum container, both initially at 40C. What is the final equilibrium temperature? (Specific heat for aluminum is 900 J/kgC, the specific heat of water is 4186 J/kgC, and Lf = 3.33  105 J/kg.)
 a. 17.6C
  c. 12.1C
  b. 9.5C
  d. 20.6C


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rachel

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

D

Answer to Question 2

A


stephzh

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Reply #2 on: Jul 28, 2018
TY


rachel

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


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