Physics Physics Practice Problems Solutions Library

# Refraction Of Light Solutions Library

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89 solutions

Refraction Of Light

#### Q. A light ray in air is incident on a transparent material whose index of refraction is n.a. Find an expression for the (non-zero) angle of incidence...

Solved • Mar 30, 2021

Refraction Of Light

#### Q. Which of the following values represents an index of refraction of an actual material?  A. 0  B. .25  C. .5  D. 1.25

Solved • Mar 30, 2021

Refraction Of Light

#### Q. Components of some computers communicate with each other through optical fibers having an index of refraction n = 1.55. What time in nanoseconds is...

Solved • Feb 9, 2021

Refraction Of Light

#### Q. The refractive index of silica versus wavelength can be described using: Where A1 = 0.696749, A2 = 0.408218, A3 = 0.890815, λ1 = 0.0690660 µm, λ2 =...

Solved • Jan 27, 2021

Refraction Of Light

#### Q. Problem 8: A flat slab of material (nm =  2.1) is d = 0.35 m thick. A beam of light in air (na = 1) is incident on the material with an angle θa = ...

Solved • Jan 13, 2021

Refraction Of Light

#### Q. How does the average speed of light in glass compared with its speed in a vacuum?

Solved • Nov 2, 2020

Refraction Of Light

#### Q. When a light beam emerges from water into the air, the average light speedA. remains the sameB. decreasesC. increases

Solved • Oct 15, 2020

Refraction Of Light

#### Q. When a sound wave passes from air into water, do you expect the frequency or wavelength to change?

Solved • Oct 15, 2020

Refraction Of Light

#### Q. When light is refracted, there is a change in its?

Solved • Oct 14, 2020

Refraction Of Light

#### Q. Why is it necessary to collimate the light source before using the prism to disperse the light?A. So that the light rays entering the prism are foc...

Solved • Oct 14, 2020

Refraction Of Light

#### Q. When light reflects from a medium of greater index of refraction the EM-wave undergoes the phase change of a) 0°b) 90°c) 180°d) 270°

Solved • Sep 30, 2020

Refraction Of Light

#### Q. When light wave travels from air into glass itsa) speed remains the same, b) speed increases, c) wavelengths increases, d) wavelength remain the sa...

Solved • Sep 30, 2020

Refraction Of Light

#### Q. Suppose the speed of light in a particular medium is 2.012x108 m/s. Part A. Calculate the index of refraction for the medium. Part B. Based on the ...

Solved • Sep 28, 2020

Refraction Of Light

#### Q. The figure shows a laser beam coming from the left, deflected by a 30-60-90 prism. What is the prism’s index of refraction?

Solved • Sep 22, 2020

Refraction Of Light

#### Q. A light wave has a 670 nm wavelength in air. Its wavelength in a transparent solid is 420 nm.a) What is the speed of light in this solid?b) What is...

Solved • Sep 22, 2020

Refraction Of Light

#### Q. 1) A light ray is incident on a reflecting surface. If the light ray makes a 25° angle with respect to the normal to the surface, what is the exact...

Solved • Sep 22, 2020

Refraction Of Light

#### Q. 1) Some of the light also reflects off the surface of the water. If the incident light is initially unpolarized, the reflected light will be:A. unp...

Solved • Aug 18, 2020

Refraction Of Light

#### Q. Fiber optics are an important part of our modern internet. In these fibers, two different glasses are used to confine the light by total internal r...

Solved • Jul 20, 2020

Refraction Of Light

#### Q. A beam of white light is incident on the surface of a diamond at an angle θa. (Figure 1) Since the index of refraction depends on the light's wavel...

Solved • Jul 17, 2020

Refraction Of Light

#### Q. The figure on the right represents a ray of light passing from air through crown glass (which has index of refraction n = 1.52) into water, such as...

Solved • Jul 17, 2020

Refraction Of Light

#### Q. Consider a beam of light travelling from a medium with a low index of refraction n1 to a new medium with a higher index of refraction n2. Use Snell...

Solved • Jul 16, 2020

Refraction Of Light

#### Q. An underwater diver sees the sun 59 degrees above horizontal.What is the angle between the sun and the fisherman relative to the horizon?Express yo...

Solved • Jul 16, 2020

Refraction Of Light

#### Q. Below is a ray diagram showing the refracted ray as it travels across the diamond. The dashed line represents the normal to the surface between the...

Solved • Jul 16, 2020

Refraction Of Light

#### Q.  Fiber optics are an important part of our modern internet. In these fibers, two different glasses are used to confine the light by total internal ...

Solved • Jul 15, 2020

Refraction Of Light

#### Q. Learning goal:To practice Tactics Box 18.1 Analyzing refraction. If a ray refracts between medium 1 and medium 2, having indices of refraction n1 a...

Solved • Jul 15, 2020

Refraction Of Light

#### Q. A goldfish lives in a 50-cm-diameter spherical fish bowl. The fish sees a cat watching it. If the cat's face is 20 cm from the edge of the bowl, ho...

Solved • Jul 15, 2020

Refraction Of Light

#### Q. When light travels from air into water,A. its velocity changes, but its frequency and wavelength do not change.B. its frequency changes, but its ve...

Solved • Jul 14, 2020

Refraction Of Light

#### Q. A ray of light is incident onto the interface between material 1 and material 2.Part A:Rank these scenarios on the basis of the phase shift in the ...

Solved • Jul 14, 2020

Refraction Of Light

#### Q. A beam of light in air is incident upon a stack of four flat transparent materials with indices of refraction 1.20, 1.40, 1.32, 1.28. If the angle ...

Solved • Jul 14, 2020

Refraction Of Light

#### Q. A ray of light passes from air into water with an angle of incidence of 30 degrees.1) Which of the following quantities does not change as the ligh...

Solved • Jul 13, 2020

Refraction Of Light

#### Q. The colors in a rainbow are caused bya) the interaction of the light reflected from different raindrops.b) the downward motion of the raindrops.c) ...

Solved • Jul 13, 2020

Refraction Of Light

#### Q. Show that when light passes from air to water, its wavelength decreases to 0.750 times its original value.

Solved • Jul 13, 2020

Refraction Of Light

#### Q. Light traveling in water strikes a glass plate at an angle of incidence of 51.5°; part of the beam is reflected and part is refracted. If the refle...

Solved • Jul 13, 2020

Refraction Of Light

#### Q.  A fisherman spots a fish underneath the water. It appears that the fish is d0 = 0.78 m under the water surface at an angle of θa = 68° with respec...

Solved • Jul 10, 2020

Refraction Of Light

#### Q. Red light is incident in air on a 30- 60- 90(degree) prism as shown. The incident beam is directed at an angle of ϕ1 = 41.3° and ϕ2 = 46.6° with re...

Solved • Jun 15, 2020

Refraction Of Light

#### Q. Red light is incident in air on a 30- 60- 90(degree) prism as shown. The incident beam is directed at an angle of ϕ1 = 41.3° and ϕ2 = 46.64° with r...

Solved • Jun 15, 2020

Refraction Of Light

#### Q. A beam of white light is incident on the surface of a diamond at an angle θa. (Figure 1) Since the index of refraction depends on the light's wavel...

Solved • Jun 2, 2020

Refraction Of Light

#### Q. A beam of white light is incident on the surface of a diamond at an angle θa. (Figure 1) Since the index of refraction depends on the light's wavel...

Solved • Jun 2, 2020

Refraction Of Light

#### Q. Red light is incident in air on a 30- 60- 90(degree) prism as shown. The incident beam is directed at an angle of ϕ1 = 41.3o with respect to the ho...

Solved • Jun 2, 2020

Refraction Of Light

#### Q.  Calculate the distance the ray is displaced, in millimeters by the glass, given that the incident angle is 40.0 the glass is 0.95 cm thick. Take 1...

Solved • Jun 2, 2020

Refraction Of Light

#### Q. True or False. The light ray that makes the angle θ1' is the incident ray.

Solved • Jun 2, 2020

Refraction Of Light

#### Q. The wavelength of red helium-neon laser light in air is 632.8 nm.What is its speed in glass that has an index of refraction of 1.48?

Solved • May 28, 2020

Refraction Of Light

#### Q. The wavelength of red helium-neon laser light in air is 632.8 nm.What is its wavelength in glass that has an index of refraction of 1.48?

Solved • May 28, 2020

Refraction Of Light

#### Q. A diamond is underwater. A light ray enters one face of the diamond, then travels at an angle of 30 degrees with respect to the normal. What was th...

Solved • May 26, 2020

Refraction Of Light

#### Q. a. How long (in ns) does it take light to travel 1.0 m in vacuum?b. What distance does light travel in water, glass, cubiczirconia during the time ...

Solved • May 21, 2020

Refraction Of Light

#### Q. A beam of white light is incident on the surface of a diamond at an angle θa. (Figure 1) Since the index of refraction depends on the light's wavel...

Solved • May 21, 2020

Refraction Of Light

#### Q. A biologist keeps a specimen of his favorite beetle embedded in a cube of polystyrene plastic. The hapless bug appears to be 2.0 cm within the plas...

Solved • May 21, 2020

Refraction Of Light

#### Q. A beam of white light is incident on the surface of a diamond at an angle ?a.(Figure 1) Since the index of refraction depends on the light's wavele...

Solved • May 21, 2020

Refraction Of Light

#### Q. A helium-neon laser beam has a wavelength in air of 633 nm. It takes 1.43 ns for the light to travel through 35.0 cm of an unknown liquid.What is t...

Solved • May 21, 2020

Refraction Of Light

#### Q. A light beam travels at 1.94x108 m/s in quartz. The wavelength of the light in quartz is 355 nm a. What is the index of refraction of quartz at thi...

Solved • May 21, 2020

Refraction Of Light

#### Q. A ray of light is incident in air on a block of a transparent solid whose index of refraction is n. If n = 1.34, what is the largest angle of incid...

Solved • May 19, 2020

Refraction Of Light

#### Q. If the index of refraction of a material is 2, this means that light travelsA) 2 times as fast in the material as it does in air.B) 2 times as fast...

Solved • May 5, 2020

Refraction Of Light

#### Q. A tank whose bottom is a mirror is filled with water to a depth of 19.4. A small fish floats motionless 7.10 under the surface of the water.Part AW...

Solved • May 2, 2020

Refraction Of Light

#### Q. Part AWhat is the speed of light in ethyl alcohol (n = 1.36)?Part BWhat is the speed of light in lucite (n = 1.50)?Part CWhat is the speed of light...

Solved • May 2, 2020

Refraction Of Light

#### Q. (a) A narrow beam of light containing yellow (580 nm) and green (550 nm) wavelengths goes from polystyrene to air, striking the surface at a 30.0° ...

Solved • May 2, 2020

Refraction Of Light

#### Q. 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 ca...

Solved • May 1, 2020

Refraction Of Light

#### Q. Light enters air from water. The angle of refraction will bea) equal to the angle of incidence.b) less than the angle of incidence.c) greater than ...

Solved • May 1, 2020

Refraction Of Light

#### Q. What is the critical angle for light traveling from crown glass (n = 1.52) into water (n = 1.33)?

Solved • Apr 29, 2020

Refraction Of Light

#### Q. When light goes from one material into another material having a HIGHER index of refraction.A) its speed decreases but its wavelength and frequency...

Solved • Apr 28, 2020

Refraction Of Light

#### Q. Consider a diamond surrounded by air.A) By how much (in degrees) do the critical angles for total internal reflection differ for red (660 nm) light...

Solved • Apr 28, 2020

Refraction Of Light

#### Q. A scuba driver in a lake aims her underwater spotlight at the lake surface. (a) If the beam makes a 75° angle of incidence with respect to a normal...

Solved • Apr 24, 2020

Refraction Of Light

#### Q. Suppose the speed of light in a particular medium is 2.012 times 108 m/s. Part (a) Calculate the index of refraction for the medium. Part (b) Based...

Solved • Apr 22, 2020

Refraction Of Light

#### Q. To a fish, the 4.20 mm thick aquarium walls appear to be only 3.80 mm thick. What is the index of refraction of the walls?

Solved • Apr 21, 2020

Refraction Of Light

#### Q. A laser beam passing from n medium 1 to medium 2 is refracted as shown. Which is true?A. n1 &lt; n2. B. n1 &gt; n2. C. There's not enough informati...

Solved • Apr 14, 2020

Refraction Of Light

#### Q. Which color of light, red or blue, travels faster in crown glass?a) blue, only if the glass is thinb) bluec) red d) depends on the index of refract...

Solved • Apr 10, 2020

Refraction Of Light

#### Q. An underwater diver sees the sun 60° above horizontal.How high is the sun above the horizon to a fisherman in a boat above the diver? Express your ...

Solved • Apr 7, 2020

Refraction Of Light

#### Q. An underwater diver sees the sun 59 degrees above horizontal.How high is the sun above the horizon to a fisherman in a boat above the diver?Express...

Solved • Mar 10, 2020

Refraction Of Light

#### Q. A beam of white light is incident on a triangular glass prism with an index of refraction of about 1.5 for visible light, producing a spectrum. Ini...

Solved • Jun 28, 2017

Refraction Of Light

#### Q. Light of wavelength 862 nm is incident on the face of a silica prism at an angle of θ  1 = 74.1° (with respect to the normal to the surface). The a...

Solved • Jun 28, 2017

Refraction Of Light

#### Q. A narrow beam of light passes through a plate of glass with thickness 1.03 cm and a refractive index 1.46. The beam enters from air at an angle 20....

Solved • Jun 28, 2017

Refraction Of Light

#### Q. Consider a light ray which enters from air to a liquid, where the index of refraction of the liquid is given by n = √2. Denote the wavelength and t...

Solved • Jun 23, 2017

Refraction Of Light

#### Q. A ray of light traveling in air is incident on the surface of a block of clear ice (of index 1.309) at an angle of 43.4° with the normal. Part of t...

Solved • Jun 20, 2017

Refraction Of Light

#### Q. Light strikes a glass plate at an angle of incidence of 60 degrees. Part of the beam is reflected and part is refracted. It is observed that the re...

Solved • May 9, 2017

Refraction Of Light

#### Q. A submarine is 400 m horizontally from the shore of a freshwater lake and 100 m beneath the surface of the water. A laser beam is sent from the sub...

Solved • Apr 27, 2017

Refraction Of Light

#### Q. As shown at right below, a laser is directed into a water tank (filled with water having an index of refraction n2 at the laser wavelength) at an a...

Solved • Apr 10, 2017

Refraction Of Light

#### Q. As shown at right below, a laser is directed into a water tank (filled with water having an index of refraction n2 at the laser wavelength) at an a...

Solved • Apr 10, 2017

Refraction Of Light

#### Q. Consider a spherical rain drop in the air. A laser beam is directed at the rain drop from the left and slightly above the central axis (see figures...

Solved • Apr 10, 2017

Refraction Of Light

#### Q. Light in air is shone on the surface of oil with an index of refraction of 1.25. Beneath the layer of oil is water, which has an index of refractio...

Solved • Mar 22, 2017

Refraction Of Light

#### Q. A prism with angles of 60°-60° -60° and refractive index of 1.6 is partially immersed in an oil with n=1.2 as shown. A light beam entering from air...

Solved • Mar 13, 2017

Refraction Of Light

#### Q. The index of refraction for red light in water is 1.331 and that for blue is 1.340. If the incident angle of a white light beam is 83°, what is the...

Solved • Mar 10, 2017

Refraction Of Light

#### Q. The figure shows the path of a portion of a ray of light as it passes through three different materials. Note: The figure is drawn to scale. What ...

Solved • Mar 10, 2017

Refraction Of Light

#### Q. A light beam shown in the figure makes an angle of 30° with the normal to the air-oil surface. Determine the angle θ.a. 22.2°b. 24.7°c. 40.5°d. 37.0°

Solved • Mar 10, 2017

Refraction Of Light

#### Q. Light passes from air into some other medium. The light enters with an incident angle of 40o and a wavelength of 425 nm, and passes through the bou...

Solved • Mar 10, 2017

Refraction Of Light

#### Q. A person in the air above the water in a swimming pool looks straight down into the water (n = 1.33) at a diamond ring that lies on the bottom of t...

Solved • Feb 1, 2017

Refraction Of Light

#### Q. A ray of light traveling in material a strikes the interface between materials  a and b and refracts into material b. In material a, the light make...

Solved • Feb 1, 2017

Refraction Of Light

#### Q. Light goes from flint glass into ethanol. The angle of refraction in the ethanol is 24.8°, the index of refraction for flint glass is 1.61, and the...

Solved • Jan 12, 2017

Refraction Of Light

#### Q. A tank holds a layer of oil, 1.65 m thick, which floats on a layer of syrup that is 0.83 m thick as shown in the figure. Both liquids are clear and...

Solved • Jan 11, 2017

Refraction Of Light

#### Q. Light of wavelength 475nm in vacuum enters a plastic as shown in Fig. 1. Measurements of the light in the plastic indicate that its wavelength ther...

Solved • Jan 4, 2017

Refraction Of Light

#### Q. Light of wavelength 475nm in vacuum enters a plastic as shown in Fig. 1. Measurements of the light in the plastic indicate that its wavelength ther...

Solved • Jan 4, 2017