Multiple Choice
A cylindrical tank is 50.0 ft deep,37.5 ft in diameter,and filled to the top with water.A flashlight shines into the tank from above.What minimum angle φ can its beam make with the water surface if the beam is to illuminate part of the bottom? (nwater = 1.33)
A) 37.1°
B) 42.4°
C) 47.3°
D) 30.9°
Correct Answer:
Verified
Correct Answer:
Verified
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