At What Angle with the Normal to the Surface of the Water

question 17

Multiple Choice

At what angle with the normal to the surface of the water must a beam of light enter the water so that the refracted beam makes an angle of 10 ^$\circ$ to the normal of the water?

• A)10 \(\circ\)
• B)13 \(\circ\)
• C)15 \(\circ\)
• D)17 \(\circ\)
• E)20 \(\circ\)

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Definitions:

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A value that conforms to the integer data type constraints in a programming language.

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