An Aquarium Contains a 5-Cm Layer of Water (N = $\degree$

question 7

Multiple Choice

An aquarium contains a 5-cm layer of water (n = 1.333) floating on top of carbon tetrachloride (n = 1.461) .If the angle of incidence into the water from the carbon tetrachloride is 20 $\degree$ ,what is the angle of refraction into the air?

• A)20\(\degree\)
• B)30\(\degree\)
• C)38\(\degree\)
• D)69\(\degree\)
• E)26\(\degree\)

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