= In the figure, initially unpolarized light is sent into a system of three polarizing sheets whose polarizing directions make angles of 01 47°,02 = 21°, and 03 = 38° with the direction of the y axis. What percentage of the light's initial intensity is transmitted by the system? -x In the figure, a 1.8-m-long vertical pole incident at angle 0 = 45.0°. What is the index of refraction of 1.33. Number i Number i 3.7E1 8.10E-1 Units percent Snipping Tool In the figure, a 1.8-m-long vertical pole extends from the bottom of a swimming pool to a point 50.0 cm above the water. Sunlight is incident at angle 0 = 45.0°. What is the length in meters of the shadow of the pole on the level bottom of the pool? The water has an index of refraction of 1.33. Number i 8.10E-1 Units m Blocked sunrays

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