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Light passes from air into water. (a) Will the angle of refraction be (1) greater than, (2) equal to 0 (3) less than the angle
- Light passes from air into water. (a) Will the angle of refraction be (1) greater than, (2) equal to 0 (3) less than the angle of incidence? Because? (b) If the beam enters at 60 degrees relative to the normal to the surface, determine the angle of refraction.
- A beam of light in air strikes the surface of a plate of molten quartz. Part of the beam enters the quartz, with an angle of refraction of 30 degrees with the normal to the surface, and part is reflected. What will be the angle of reflection?
- A laser that is used in cornea surgery, to treat corneal diseases, is an excimer laser, which emits ultraviolet light with a wavelength of 193 nm in the air. The refractive index of the cornea is 1.376. What are the wavelength and frequency of light at the cornea?
- A ray of light goes through the water and strikes a surface of a transparent material, with an angle of incidence of 45 degrees. If the angle of refraction in the material is 35 degrees, what is its index of refraction?
- Yellow-green light has a wave angle of 550nm, and strikes the surface of a flat piece of crown glass at an angle of 40 degrees. What are (a) the angle of refraction of light, (b) the speed of light in glass, (c) the wavelength of light in glass?
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