The rectangular water tank in the figure has width L = 6.6 m. A ray of light striking the midpoint of the tank at an angle 56 degrees from the normal refracts and hits the lower corner of the tank as shown. L. What is the depth D of the tank? (Let n = 1.333 for water.) Express your answer in meters, to at least one digit after the decimal point.

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The rectangular water tank in the figure
has width L = 6.6 m. A ray of light
striking the midpoint of the tank at an
angle 56 degrees from the normal
refracts and hits the lower corner of
the tank as shown.
L.
What is the depth D of the tank? (Let n
= 1.333 for water.)
Express your answer in meters, to at
least one digit after the decimal point.
Transcribed Image Text:The rectangular water tank in the figure has width L = 6.6 m. A ray of light striking the midpoint of the tank at an angle 56 degrees from the normal refracts and hits the lower corner of the tank as shown. L. What is the depth D of the tank? (Let n = 1.333 for water.) Express your answer in meters, to at least one digit after the decimal point.
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