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- The index of refraction for water is about 43. What happens as a beam of light travels from air into water? (a) Its speed increases to 43c, and its frequency decreases. (b) Its speed decreases to 34c, and its wavelength decreases by a factor of 34. (c) Its speed decreases to 34c, and its wavelength increases by a factor of 43. (d) Its speed and frequency remain the same. (e) Its speed decreases to 34c, and its frequency increases.A ray of light crosses the boundary between some substance with n = 1.54 and air, going from the substance into air. If the angle of incidence is 29◦ what is the angle of refraction? Calculate to 1decimal.Light, when incident on a given surface, presents a reflected and a refracted component. When the reflected beam is perpendicular to the refracted beam, the angle of incidence θᵢ is called Brewster's angle. If a beam of light is initially in air with index of refraction n₁ = 1 and is incident on a glass surface (index of refraction n₂ = 1.5), Brewster's angle is: a)82.9° b)36.3° c)75.4° d)62.9° e)56.3° f)45.7°
- A ray of light strikes the midpoint of one face of an equiangular (60°-600-60°) glass prism (n = 1.5) at an angle of incidence of 38º. (a) Trace the path of the light ray through the glass and find the angles of incidence and refraction at each surface. First surface: e incidence refraction = Second surface: incidence refraction 0 D = 0 0 (b) If a small fraction of light is also reflected at each surface, what are the angles of reflection at the surfaces? • (first surface) 8 reflection 0 reflection • (second surface)A ray of light strikes the midpoint of one face of an equiangular (60°-60°-60°) glass prism (n = 1.5) at an angle of incidence of 34º. (a) Trace the path of the light ray through the glass and find the angles of incidence and refraction at each surface. First surface: incidence refraction 0 Second surface: 0. incidence refraction = Need Help? = = = O Read It O (b) If a small fraction of light is also reflected at each surface, what are the angles of reflection at the surfaces? Ө ° (first surface) e reflection. reflection= ° (second surface) O O Master ItA ray of light crosses the boundary between some substance with n = 1.46 and air, going from the substance into air. If the angle of incidence is 26◦ what is the angle of refraction?
- A ray of light strikes the midpoint of one face of an equiangular (60°–60°-60°) glass prism (n = 1.5) at an angle of incidence of 32°. (a) Trace the path of the light ray through the glass and find the angles of incidence and refraction at each surface. First surface: Oincidence refraction Second surface: incidence refraction (b) If a small fraction of light is also reflected at each surface, what are the angles of reflection at the surfaces? Oreflection ° (first surface) ° (second surface) reflection(a) The index of refraction for violet light in silica flint glass is 1.66, and that for red light is 1.62. What is the angular spread (in degrees) of visible light passing through a prism of apex angle 60.0° if the angle of incidence is 54.0°? (b) What If? What is the angular spread (in degrees) of visible light passing through a prism of apex angle 60.0° if the angle of incidence is 90°?A ray of monochromatic light is incident on the face of a prism in the shape of an equilateral triangle (that is, the apex angle of the prism is 60.0°). The incidence angle of the light ray is 68.2°. The prism is made of a transparent material with an index of refraction of 1.502 (at the light ray's wavelength). (a) Calculate the angle of refraction at the first surface (in degrees). (Round your answer to at least one decimal place.) O (b) Calculate the angle of incidence at the second surface (in degrees). (Round your answer to at least one decimal place.) O (c) Calculate the angle of refraction at the second surface (in degrees). (Round your answer to at least one decimal place.) O (d) Calculate the angle between the incident and emerging rays (in degrees). (Round your answer to at least one decimal place.) O
- A ray of light enters parallel to the axis of a hollow cylindrical tube. When the tube has only air, the light takes 18.6 ns to travel the full length of the cylinder, but when the tube is filled with a transparent substance, it takes 7.1 ns longer to travel by comparison. What is the refractive incidence of that substance?The angle of incidence of a light beam in air onto a reflecting surface is continuously variable. The reflected ray is found to be completely polarized when the angle of incidence is 63.0°. (a) What is the index of refraction of the reflecting material? (b) If some of the incident light (at an angle of 63.0°) passes into the material below the surface, what is the angle of refraction? answer in degrees °A ray of light is incident on an air/water interface. The ray makes an angle of theta= 33 degrees with respect to the normal of the surface. The index of the air is n1 = 1 while water is n2 = 1.33. Numerically, what is the angle in degree?