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23 Nov 2019
After a long day of meetings a business woman takes a late-nightswim in the motel swimming pool. When she returns to her room, sherealizes she has lost the room key in the pool. She borrows apowerful flashlight and walks around the pool, shining the lightinto the pool. The light shines on the key, which is lying on thebottom of the pool, when the flashlight is held 1.2 meters abovethe water surface and is directed at the suface 1.5 meters from theedge of the pool.
a) knowing that the index refraction for water is 1.33, and thatthe water level in the pool is exactly 4.0 meters, how far is thekey from the edge of the pool???
b) What is the speed that the light beam is traveling while it isin the water?
After a long day of meetings a business woman takes a late-nightswim in the motel swimming pool. When she returns to her room, sherealizes she has lost the room key in the pool. She borrows apowerful flashlight and walks around the pool, shining the lightinto the pool. The light shines on the key, which is lying on thebottom of the pool, when the flashlight is held 1.2 meters abovethe water surface and is directed at the suface 1.5 meters from theedge of the pool.
a) knowing that the index refraction for water is 1.33, and thatthe water level in the pool is exactly 4.0 meters, how far is thekey from the edge of the pool???
b) What is the speed that the light beam is traveling while it isin the water?
14 Jun 2023
Lelia LubowitzLv2
3 Sep 2019
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