A child is looking at a reflection of the sun in a pool ofwater. When she puts o

Question

A child is looking at a reflection of the sun in a pool ofwater. When she puts on a pair of Polaroid sunglasses with avertical transmission axis, she can no longer see the reflection.At what angle is she looking at the pool of water?

a. 45.0°
b. 77.3°
c. 53.1°
d. 61.6°
e. 48.8° A child is looking at a reflection of the sun in a pool ofwater. When she puts on a pair of Polaroid sunglasses with avertical transmission axis, she can no longer see the reflection.At what angle is she looking at the pool of water? 45.0° 77.3° 53.1° 61.6° 48.8°

Explanation / Answer

required angle = angle of polarization we know angle of polarization P = tan-1 ( n ) where n = index of refraction of water = 4 / 3 So, P = 53.1 degrees

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