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We can calculate how light waves will move through a medium based on the Refractive Index of the particular medium. n=c/v Where n=the refractive index, c=speed of light ina vacuum, and v=velocity of light in the medium. Some n values of known substances are: Vacuum n= 1.000 Air to STP n= 1.0003 Water n= 1.54 Polystyrene n= 1.59 Diamond n= 2.42

We can calculate how light waves will move through a medium based on the Refractive Index of the particular medium. n=c/v Where n=the refractive index, c=speed of light ina vacuum, and v=velocity of light in the medium. Some n values of known substances are: Vacuum n= 1.000 Air to STP n= 1.0003 Water n= 1.54 Polystyrene n= 1.59 Diamond n= 2.42

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Question 1

Using the formula n=c/v and the values from table 1, which material has the highest density?

question 2

Based on what you have learned about light waves an…

Have you ever observed fish swimming in an aquarium? Think about the difference between observing the fish through the glass and just looking down into the water from the top of the aquarium. Have you noticed the distortion that makes it look like the fish is somewhere other than where it actually is? This is due to light waves moving from one material--air--to another material--water and glass. Wave Behavior in Different Media What happens to wave characteristics like wavelength, frequency, and speed when the waves move from one medium to another? A medium is the matter that waves travel through, such as air, water, or wood. It's important to remember that the media does not travel or move, only the wave energy. When waves cross a boundary from one medium to another, the speed and wavelength will be affected. Refraction of Light Waves When a wave moves from one medium to another, usually its direction will bend slightly. This is known as refraction. Examples of this can be seen by looking into a glass tank full of water, then sticking your hand into it. Your hand will appear to be slightly over from where you actually put it in due to the refraction of light waves traveling from one liquid medium (air) into another (water). The different densities of air and water are what cause this refraction. If you were running along the beach and then ran into the water, you would slow down. This is what happens with light waves, as well. The speed of light is constant only in a vacuum. Notice how the stems that are under water seem slightly offset from where they are above the water. This is due to the light Since there are no other molecules in the vacuum of space, there is nothing to slow it down. When light waves enter Earth's atmosphere, they are slowed by air particles. We can calculate how light waves will move through a medium based on the Refractive Index of the particular medium. n= c/v waves bending, or refracting, as they move through different media. Where n=the refractive index, c=speed of light in a vacuum, and v=velocity of light in the medium. Some n values of known substances are: Vacuum n= 1.000 Air to STP n = 1.0003 Water n= 1.54 Polystyrene n= 1.59 Diamond n= 2.42
Transcribed Image Text:Have you ever observed fish swimming in an aquarium? Think about the difference between observing the fish through the glass and just looking down into the water from the top of the aquarium. Have you noticed the distortion that makes it look like the fish is somewhere other than where it actually is? This is due to light waves moving from one material--air--to another material--water and glass. Wave Behavior in Different Media What happens to wave characteristics like wavelength, frequency, and speed when the waves move from one medium to another? A medium is the matter that waves travel through, such as air, water, or wood. It's important to remember that the media does not travel or move, only the wave energy. When waves cross a boundary from one medium to another, the speed and wavelength will be affected. Refraction of Light Waves When a wave moves from one medium to another, usually its direction will bend slightly. This is known as refraction. Examples of this can be seen by looking into a glass tank full of water, then sticking your hand into it. Your hand will appear to be slightly over from where you actually put it in due to the refraction of light waves traveling from one liquid medium (air) into another (water). The different densities of air and water are what cause this refraction. If you were running along the beach and then ran into the water, you would slow down. This is what happens with light waves, as well. The speed of light is constant only in a vacuum. Notice how the stems that are under water seem slightly offset from where they are above the water. This is due to the light Since there are no other molecules in the vacuum of space, there is nothing to slow it down. When light waves enter Earth's atmosphere, they are slowed by air particles. We can calculate how light waves will move through a medium based on the Refractive Index of the particular medium. n= c/v waves bending, or refracting, as they move through different media. Where n=the refractive index, c=speed of light in a vacuum, and v=velocity of light in the medium. Some n values of known substances are: Vacuum n= 1.000 Air to STP n = 1.0003 Water n= 1.54 Polystyrene n= 1.59 Diamond n= 2.42
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