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The light ray bends when it enters a medium with different density. It either bends towards or away from the normal depending on whether the medium is more dense or less dense.
It slows and bends.
Medium A is the more optically dense medium. As when the light enters B its speed increases taking it toward the normal.
Refraction occurs when a wave bends as it crosses the boundary between different mediums (eg. air to glass). The wave bends because waves travel at different speeds in different mediums. When a wave enters a more dense medium (eg. air to glass), the wave slows down, and bends towards the 'normal'. When a wave enters a less dense medium (eg. glass to air), the wave speeds up, and bends away from the 'normal'. * The normal is an imaginary line which is perpendicular to where the light is entering the new medium.
It will be refracted accordingly, based on Snell's law. In this case, the angle of incidence is smaller than the angle of refraction, and as it is traveling from a more dense to a less dense medium, it may undergo total internal reflection, provided that the angle of incidence is greater than the critical angle.
The light ray bends when it enters a medium with different density. It either bends towards or away from the normal depending on whether the medium is more dense or less dense.
It slows and bends.
Medium A is the more optically dense medium. As when the light enters B its speed increases taking it toward the normal.
The answer depends on what on earth you mean by the "dirtier" of a wave.
The refractive index of air is about 1.0003, and of quartz about 1.45, so quartz is the more "optically dense" medium in this situation. When light goes from a less dense medium to a more dense medium, it is refracted toward the normal. The normal is the imaginary line perpendicular to the surface where the light enters.
Refraction occurs when a wave bends as it crosses the boundary between different mediums (eg. air to glass). The wave bends because waves travel at different speeds in different mediums. When a wave enters a more dense medium (eg. air to glass), the wave slows down, and bends towards the 'normal'. When a wave enters a less dense medium (eg. glass to air), the wave speeds up, and bends away from the 'normal'. * The normal is an imaginary line which is perpendicular to where the light is entering the new medium.
It will be refracted accordingly, based on Snell's law. In this case, the angle of incidence is smaller than the angle of refraction, and as it is traveling from a more dense to a less dense medium, it may undergo total internal reflection, provided that the angle of incidence is greater than the critical angle.
The light bends when it passes from one medium to another. But only if it approaches the interface at an angle. In such a case it will still travel slower, but there will be no apparent bending.
refracted
refracted
Refracted
refracted