In physics, refraction is the redirection of a wave as it passes from one medium to another. The redirection can be caused by the wave's change in speed or by a change in the medium.
Refraction occurs when light goes through a water surface since water has a refractive index of 1.33 and air has a refractive index of about 1. Looking at a straight object, such as a pencil in the figure here, which is placed at a slant, partially in the water, the object appears to bend at the water's surface.
Refraction is the phenomenon of bending of light as it goes obliquely from one medium to another. It is caused by the change in speed of light as it goes from one medium to another.
Refraction:-The phenomenon of change in the direction of light when it passes from one transparent medium to another is called refraction. Laws of refraction: (i) The incident ray, the refracted ray and the normal to the interface of two transparent media at the point of incidence, all lie in the same plane
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In physics, refraction is the redirection of a wave as it passes from one medium to another. The redirection can be caused by the wave's change in speed or by a change in the medium.
Refraction occurs when light goes through a water surface since water has a refractive index of 1.33 and air has a refractive index of about 1. Looking at a straight object, such as a pencil in the figure here, which is placed at a slant, partially in the water, the object appears to bend at the water's surface.
Refraction is the phenomenon of bending of light as it goes obliquely from one medium to another. It is caused by the change in speed of light as it goes from one medium to another.
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Refraction:-The phenomenon of change in the direction of light when it passes from one transparent medium to another is called refraction. Laws of refraction: (i) The incident ray, the refracted ray and the normal to the interface of two transparent media at the point of incidence, all lie in the same plane