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sound waves and siesmic waves are what kind of wave?
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- States that the angle of incidence is equal to the angle of reflection. This is true for any surface.
- A ray of sunlight has an incident angle of 50° when it encounters a glass window with index ofrefraction n=1.5. There is air with index n=1 on both sides of the window and the window surfaces areparallel. Which statement below is true?a) The light is 100 percent reflected at the first interface.b) The light is 100 percent reflected at the second interface.c) Light emerges on the other side of the window traveling parallel to the incident ray.d) Light emerges on the other side of the window but different colors now travel in different directions.e) Light emerges on the other side and is now 100% polarized parallel to the window.
- It's observed that light traveling through flint glass has a critical angle of 43.6° when encounteringan interface with water (n=1.33). What is the index of refraction for flint glass?a) 1.98b) 1.93c) 1.88d) 1.83e) 1.78