(b) How does the index of refraction relate to the speed of light in a medium? If the index of refraction of wateris 1.33, calculate the speed of light in water.Give one application of total internal reflection. 1. In an experiment to discover the effect of centripetal force on velocity, an object of mass m was swung onthe end of a string in a horizontal circular path of radius r.F = mv²ir [Equation 1]F = mv/rThe string tension provided the centripetal force Fthat produced the centripetal acceleration and kept theobject revolving in its circular path.The centripetal force was determined by using a spring scale or force sensor that measured the tension on thestring.By timing the revolutions and calculating the distance traveled by the object, the velocity v of the object wasdetermined.

The index of refraction is defined as the ration between the speed of light in vacuum and speed of…

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(b) How does the index of refraction relate to the speed of light in a medium? If the index of refraction of water is 1.33, calculate the speed of light in water. Give one application of total internal reflection.
An object is placed 10.1 cm in front of the cornea. (The cornea is thin ans has approximately parallel sides so that the reflection that occurs as light travels from air to cornea to aqueous humor is essentially the same as though the aqueous humor were directly in contact with the air. The aqueous humor has index of refraction n = 1.34 and the radius of curvature of cornea is 7.8 mm.) (a) What is the image distance for the image formed by the cornea alone? (b) The image formed by the cornea serves as an object for the lens. Treat the lens as a thin lens 8 mm behind the cornea. Find the optical power of the lens necessary to form an image on the retina, 25 mm from the center of the lens.
The absolute index of refraction for a substance is 2.0. In this substance what is the critical angle to get total internal reflection/refraction for light incident on a boundary with air? Note: speed of light in a vacuum is c = 3x108 m/s
Light rays in a material with index of refrection 1.39 can undergo total internal reflection when they strike the interface with another material at a critical angle of incidence. Find the second material's index of refraction n when the required critical angle is 73.3°. n =
The figure below shows the path of a beam of light through several layers with different indices of refraction. (Assume n 1.08.) n = 1,60 n = 1.40 n = 1.20 (a) If 0, = 20.0°, what is the angle 0, of the emerging beam? (b) What is the smallest incident angle 0, to have total internal reflection at the surface between the medium with n = 1.20 and the medium with n. = 1.08?
(b). A ray of light passes from glass to water. The angle of incidence in the glass is 35°, take the refractive indices of glass and water to be 1.52 and1.33, respectively. (i). What is the angle of refraction in the water? (ii). At what angle will total internal reflection occur between the glass-water interface?
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.
An object is placed 9.50 cm in front of the cornea. (The cornea is thin ans has approximately parallel sides so that the reflection that occurs as light travels from air to cornea to aqueous humor is essentially the same as though the aqueous humor were directly in contact with the air. The aqueous humor has index of refraction n = 1.34 and the radius of curvature of cornea is 7.8 mm.) (a) What is the image distance for the image formed by the cornea alone? (b) The image formed by the cornea serves as an object for the lens. Treat the lens as a thin lens 4 mm behind the cornea. Find the optical power of the lens necessary to form an image on the retina, 23 mm from the center of the lens.
Consider a layer of Oil, Glass, and Air where the oil/glass boundary is parallel to the glass/air boundary. Let the index of refraction for the glass be 1.48 and the index of refraction for the oil to be 1.25. At what angle relative to the normal should a ray of light be directed upon the oil/glass interface such that it strikes the glass/air interface at the critical angle?

(b) How does the index of refraction relate to the speed of light in a medium? If the index of refraction of water is 1.33, calculate the speed of light in water. Give one application of total internal reflection.