Light coming from the bottom of a water tank does not come out of the water. What should be the minimum angle of incidence for the same?
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Critical angle is the angle of incidence for which the angle of refraction is 900. Thus, light from the bottom of the water if incident on the air-water interface with an angle greater than the critical angle will be reflected back to the water.
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Critical angle is the angle of incidence for which the angle of refraction is 900. Thus, light from the bottom of the water if incident on the air-water interface with an angle greater than the critical angle will be reflected back to the water
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