pect to the no mar: 33.15 • A ray of light is incident on a plane surface separating two sheets of glass with refractive indexes 1.70 and 1.58. The angle of incidence is 62.0°, and the ray originates in the glass with n = 1.70. Compute the angle of refraction.
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- Light travels from air toward water. 1) If the angle that is formed by the light beam in air with respect to the normal line between the two media is 25°, calculate the the angle of refraction of the light in the water. The indices of refraction of air and water are nair = 1.00029 and nwater = 1.33, respectively. (Express to 2 sig fig).Red light of wavelength 650 nm strikes the side of the-prism (nred = 1.613) șhown in Fig. 19.17 at an incident angle of 53.8°. (a) Calculate the refracted angle relațive to a line perpendicular to the first air-glass interface. (b) If the prism has three 60° angles, calculate the incident angle at the second glass-air interface. (c) Calculate the refracted anglé relative to a line perpendic-lar to this surface. (d) Calculate the net angular change in direction of the light.A ray of light passes from air to medium making an angle of incidence52 0 and angle of refraction 24 0 . What is the refractive index of the medium?Also find the Brewster angle for air to medium transition.
- Calculate the angle of refraction at the air/core interface. • nair = 1, ncore = 1.47, ncladding = 1.45, incident = 30oSpecifically question 2 for question 1 I found Ra = .334m, but I'm unsure of how to realate it do the Radius (R) of curvature of the mirror. (1) Assume the intensity of sunlight is 1.00 kW/m2 at the surface of Earth. A highly reflecting concave mirroron the surface of Earth is to produce a power of at least 400 W at the image point. Assume the disk of theSun subtends an angle of 0.533◦ as seen from the surface of Earth, and that the mirror is pointed straight atthe center of the Sun, with the focus between the Sun and the front of the mirror. Calculate the requiredradius Ra of the circular area of the mirror. (2) For the mirror in (2)(d), suppose the light intensity at the image is now to be at least 150 kW/m2. Findthe required relationship between Ra and the radius of curvature R of the mirror.A ray of monochromatic light travelling in air strikes the end of a 21 cm wide block of Plexiglas at an incident angle of65°. The index of refraction for the Plexiglas is 1.51 and for air is 1.003 The light travels to the opposite side of the block and refracts out into the air. The path of the refracted light ray isparallel to the original light ray but displaced a distance d. Calculate the value of d. No you cannot just look up aformula on internet, draw diagram.
- Consider a light ray propagates from diamond to air medium. If the angle of refraction is 85o, find the angle of incidence (in degree, minutes and seconds). Consider the refractive indices of diamond and air are (58.45) and (57), respectively?Consider sunlight entering the Earth's atmosphere at sunrise and sunset-that is, at a 90° incident angle. Taking the boundary between nearly emptyspace and the atmosphere to be sudden, calculate the angle of refractionfor sunlight. This lengthens the time the Sun appears to be above thehorizon, both at sunrise and sunset. Now construct a problem in which youdetermine the angle of refraction for different models of the atmosphere,such as various layers of varying density. Your instructor may wish to guideyou on the level of complexity to consider and on how the index ofrefraction varies with air density.On the Moon’s surface, lunar astronauts placed a corner reflector, off which a laser beam is periodically reflected. The distance to the Moon is calculated from the round-trip time. What percent correction is needed to account for the delay in time due to the slowing of light in Earth’s atmosphere? Assume the distance to the Moon is precisely 3.84×108 m, and Earth’s atmosphere (which varies in density with altitude) is equivalent to a layer 30.0 km thick with a constant index of refraction n=1.000293.
- The condition for total polarization, at Brewster's angle, for a reflected beam from the interface between two media is that the reflected beam and the refracted beam are perpendicular to each other (see Figure 23.22). Use this information to determine a formula for Brewster's angle for an interface between vacuum and medium of index of refraction n.A very narrow beam of light containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 0.68 m thick flat block of crown glass and back to air again. The beam strikes at a 30.0º incident angle. By what distance (in mm) perpendicular to their direction of travel are the red and blue beams separated when they emerge? The index of refraction for λ = 660 nm is 1.512 and the index of refraction for λ = 470 nm is 1.524. Enter a number with 3 digits behind the decimal point.A ray of light passed from air to a medium making an angle of incidence60 0 and angle of refraction 45 0 . 3(i) State if the refractive medium is denser or lighter than air.(iii) Also, explain- why does light bend after refraction in the refractive medium?