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Author Question: A beam of light in air is incident at an angle of 46 to the surface of a rectangular block of clear ... (Read 90 times)

audie

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on: Jul 28, 2018
A beam of light in air is incident at an angle of 46 to the surface of a rectangular block of clear plastic (n = 1.46). The light beam first passes through the block and re-emerges from the opposite side into air at what angle to the normal to that surface?
 a. 23
  c. 46
  b. 59
  d. 30

Question 2

In cloud formation, water vapor turns into water droplets which get bigger and bigger until it rains. This will cause the temperature of the air in the clouds to:
 a. get warmer.
  b. get cooler.
  c. will not affect the temperature of the air in the clouds.
  d. There is no air in clouds.


SeanoH09

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

C

Answer to Question 2

A


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