A Layer of Water (N = 1 $\degree$ B)78 $\degree$ C)66 $\degree$ D)58 $\degree$

question 28

Multiple Choice

A layer of water (n = 1.333) floats on carbon tetrachloride (n = 1.461) contained in an aquarium.To the nearest degree,what is the critical angle at the interface between the two liquids?

• A)88\(\degree\)
• B)78\(\degree\)
• C)66\(\degree\)
• D)58\(\degree\)
• E)43\(\degree\)

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