1. A ray of red light with a wavelength of 650 nm in air (n = 1.0003) is incident on a block of flint glass (n=1.65 for red light) as shown in the diagram. The ray strikes the glass with an angle of incidence of 30°. flint glass air 30° Using your understanding of reflection and refraction, analyze this diagram. As part of your response, be sure to: • Determine the angle of reflection. Explain your reasoning, and draw a diagram showing this angle. Determine the angle of refraction. Show your work, and draw a diagram showing this angle. Determine the speed of the red light in the flint glass. Show your work. Explain why you cannot find a critical angle for the beam going from air to flint glass.

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