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How does the angle of the refraction compare with the angle of incidence in each case?
A comparison of the angle of refraction to the angle of incidence provides a good measure of the refractive ability of any given boundary. For any given angle of incidence, the angle of refraction is dependent upon the speeds of light in each of the two materials. The speed is in turn dependent upon the optical density and the index of refraction values of the two materials. There is a mathematical equation relating the angles that the light rays make with the normal to the indices (plural for index) of refraction of the two materials on each side of the boundary. This mathematical equation is known as Snell's Law
What two things does the amount of air resistance acting on an object depend on?
size and shape
What are the snells law of refraction?
Snell's law states that the ratio of the sines of the angles of incidence and refraction is equivalent to the ratio of velocities in the two media, or equivalent to the opposite ratio of the indices of refraction:
Why does light rays bend?
The refraction of light when it passes from a slow medium (high density) to a fast medium (low density) causes the light to change speed and thus it bends away from the normal to the boundary between the two media. The amount of bending also depends on the indices of refraction of the two media and is described quantitatively by Snell's Law.
What has to be different to allow refraction to occur?
The density. Refraction occurs at the boundary between two media of differing densities, such as air and water.
What does refractive index mean?
The amount of refraction depends on the difference in density between two mediums. So, the amount of refraction a material has, or it's refraction index, is the amount light will bend as it goes from medium into another medium. For instance, Vacuum is considered to have a refraction index of 1 and all other materials being denser than vacuum will naturally have a larger refraction index, they bend light more. So, it simply means that- since the object has a high density it will slow down light by a greater amount.
What is the physical significance of refractive index?
The amount of refraction depends on the difference in density between two mediums. So, the amount of refraction a material has, or it's refraction index, is the amount light will bend as it goes from medium into another medium. For instance, Vacuum is considered to have a refraction index of 1 and all other materials being denser than vacuum will naturally have a larger refraction index, they bend light more. So, it simply means that- since the object has a high density it will slow down light by a greater amount.
How does the angle of incidence compare with the angle of refraction in each case?
A comparison of the angle of refraction to the angle of incidence provides a good measure of the refractive ability of any given boundary. For any given angle of incidence, the angle of refraction is dependent upon the speeds of light in each of the two materials. The speed is in turn dependent upon the optical density and the index of refraction values of the two materials. There is a mathematical equation relating the angles that the light rays make with the normal to the indices (plural for index) of refraction of the two materials on each side of the boundary. This mathematical equation is known as Snell's Law
Consider two slabs of material with the same thickness but made of materials differing in their index of refraction?
THE SPEED OF LIGHT WILL DIFFER IN THE TWO SLABS
Will light bend if it enters a new material?
Yes. It depends on the angle of incidence and the details of refractive index of materials.
What two factors depend on the amount of friction?
gravity and how rough the surface is
How does the angle of the refraction compare with the angle of incidence in each case?
A comparison of the angle of refraction to the angle of incidence provides a good measure of the refractive ability of any given boundary. For any given angle of incidence, the angle of refraction is dependent upon the speeds of light in each of the two materials. The speed is in turn dependent upon the optical density and the index of refraction values of the two materials. There is a mathematical equation relating the angles that the light rays make with the normal to the indices (plural for index) of refraction of the two materials on each side of the boundary. This mathematical equation is known as Snell's Law
How is trignometry used in optics?
Optics deals with refraction - the bending of light rays as they go from a medium of one optical density to another - as in an optical lens. Given the refractive indices of the two materials, the angle of refraction is related to the sine of the angle of incidence.
What is the bending of a wave at the boundry between two media called?
Refraction
What are two things the amount of gravitational force between two objects depend on?
Mass and distance
What are the two thing that the amount of gravitational force between two object depend on?
newten force
What happens to light waves when two materials do not have similar indexes of refraction?
Nothing happens to light waves at all. UNLESS the two materials happen to be right next to each other AND the light tries to cross FROM one INTO the other one. Then things get very interesting.
