someenc Reffacion through Glass and Water t Refraction through Gass and Water Pa
ID: 1783110 • Letter: S
Question
someenc Reffacion through Glass and Water t Refraction through Gass and Water Part A A plate of glass with parallel feces having areiractive index of 1.52 is reeting on the ace oF watar in a tank A ray t ght cming trom ao in airmakes an angla ch ncidente 320" with the normal to the top surface of the glass. Eioure 1 hat angla Ah, oea tha ray natraced into tha waer mak with tha nemalotha staCA AR 1 3 tor the inda af ratracinn af watar Express your answer in dagnees HInts Hint 1. How to apprech the prub Hint 2. Snells law Cninue 02-F O lype here to searchExplanation / Answer
Just use Snell’s law. You don’t need to worry about the glass, because the final angle will be the same as if the light passed from the air to the water directly. This might not be obvious to you, but it should make sense, because the light will have to speed up or slow down when it hits the water, and it doesn’t matter that the glass is there or not – the only thing that matters is the relative refractive indices.
n1sin(1) = n2sin(2)
1 * sin(32.0) = 1.33 * sin()
sin() = 0.5299 / 1.33
sin() = 0.3984
= 23.48°
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