Question 2 tight reflects off of a water surface as shown in the figure. If the

Question

Question 2 tight reflects off of a water surface as shown in the figure. If the incident angle of the light is 34.1 degree at what angle is the light reflected back into the air? Note: nair = 1; nwater 1.33. Question 3 Light reflects off of a water surface as shown in the figure. If the incident angle of the light ?s 33,7 degree at what angle, in degrees, is the light transmitted? Note: nair = 1; nw.ater = 1.33. Question 4 For the air/water interface in Questions 2 and 3, is there an angle for which all light will be reflected from the surface. Remember the light is going from the air to the water and nair = 1 and nwater = 1.33. Yes, total internal reflection will occur at any angle greater than 30 degrees. No. Brewster?s angle is only for light going from a higher index of refraction material to a lower index of refraction material. No. total internal reflection only occurs for light going from a higher index of refraction material to a lower index of refraction material. Yes, at Brewster?s angle the light reflecting off the surface will be polarized in the plane of the surface. The angle between the reflected light and the transmitted light will be 90 degrees. There is no relationship between index of refraction and the reflection and refraction of light, so there is not enough information to answer the question.

Explanation / Answer

Q2 :

angle of reflection = angle of incidence

So , reflcted angle = 34.1 degrees

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Q3

from snells law

1 *sin 33.7 = 1.33 sin r

r = 24.65 degrees

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Q4

No, Total internal reflection only occurs for light going from a higher index of refraction

to a lower index of refraction

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