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Author Question: A liquid has an index of refraction of 1.33 . What is the speed of light through it? (c = 3.00 108 ... (Read 25 times)

cnetterville

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on: Jul 28, 2018
A liquid has an index of refraction of 1.33 . What is the speed of light through it? (c = 3.00  108 m/s)
 a. 3.99  108 m/s
  c. 4.46  108 m/s
  b. 2.26  108 m/s
  d. 2.04  108 m/s

Question 2

A 0.0030-kg lead bullet is traveling at a speed of 300 m/s when it embeds in a block of ice at 0C. If all the heat generated goes into melting ice, what quantity of ice is melted? (Lf = 80 kcal/kg, the specific heat of lead = 0.03 kcal/kgC, and 1 kcal = 4186 J)
 a. 1.47  10-2 kg
  c. 3.2  10-3 kg
  b. 4.0  10-4 kg
  d. 2.6  10-4 kg


miss_1456@hotmail.com

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

B

Answer to Question 2

B


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