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Author Question: An oil film floats on a water surface. The indices of refraction for water and oil, respectively, ... (Read 92 times)

AEWBW

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on: Jul 28, 2018
An oil film floats on a water surface. The indices of refraction for water and oil, respectively, are 1.333 and 1.466 . If a ray of light is incident on the air-to-oil surface at an angle of 40.0 with the normal, what is the angle of the refracted ray in the water?
 a. 37.0
  c. 24.2
  b. 26.8
  d. 28.8

Question 2

An automobile gas tank is filled to its capacity of 20.00 gallons with the gasoline at an initial temperature of 10C. The automobile is parked in the Sun causing the gasoline's temperature to rise to 60C. If the coefficient of volume expansion for gasoline is 9.6  10-4/C, what volume runs out the overflow tube? Assume the change in volume of the tank is negligible.
 a. 1.74 gallons
  c. 0.72 gallon
  b. 0.96 gallon
  d. 0.30 gallon


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raenoj

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

D

Answer to Question 2

B


AEWBW

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Reply 2 on: Jul 28, 2018
Wow, this really help

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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