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In which medium will a lens behave as a glass slab?
the medium which have the same refractive index as glass.
What happens to the wavelength of light when it enters a glass slab from air?
The wavelength of light decreases as it enters a glass slab from air. This is because the speed of light is slower in glass than in air, causing the frequency of the light to remain constant while its wavelength decreases.
How should a ray of light be incident on a glass slab so that it comes out from the opposite side of slab without being displaced?
The ray of light should be incident perpendicular to the surface of the glass slab. This ensures that the light ray does not get deviated or displaced while passing through the glass slab, emerging on the other side in the same direction.
Why does light refact when it passes from air into a glass slab?
Light bends when it passes from air into a glass slab due to the change in speed of light as it travels through different mediums. This change in speed causes the light to refract, or change direction, at the boundary between the air and the glass slab due to the difference in optical density between the two mediums.
What will happen when ray of light passes through a glass slab?
When a ray of light passes through a glass slab, it will undergo refraction. The light ray will bend towards the normal as it enters the glass slab, and then bend away from the normal as it exits the slab. The path of the light ray will be slightly shifted from its original direction.
In which medium will a lens behave as a glass slab?
the medium which have the same refractive index as glass.
What happens to the wavelength of light when it enters a glass slab from air?
The wavelength of light decreases as it enters a glass slab from air. This is because the speed of light is slower in glass than in air, causing the frequency of the light to remain constant while its wavelength decreases.
How should a ray of light be incident on a glass slab so that it comes out from the opposite side of slab without being displaced?
The ray of light should be incident perpendicular to the surface of the glass slab. This ensures that the light ray does not get deviated or displaced while passing through the glass slab, emerging on the other side in the same direction.
What happens if light is passed through a glass slab whose sides are not parallel?
it becomes kinda prism
Why does light refact when it passes from air into a glass slab?
Light bends when it passes from air into a glass slab due to the change in speed of light as it travels through different mediums. This change in speed causes the light to refract, or change direction, at the boundary between the air and the glass slab due to the difference in optical density between the two mediums.
What will happen when ray of light passes through a glass slab?
When a ray of light passes through a glass slab, it will undergo refraction. The light ray will bend towards the normal as it enters the glass slab, and then bend away from the normal as it exits the slab. The path of the light ray will be slightly shifted from its original direction.
Why does not a glass slab disperse light?
The refractive index of prism is very high but its very low in glass slab, in glass slab the dispersion occurs but its very less, so is not visible.
Why dispersion do not take place through glass slab?
Dispersion does not occur in a glass slab because the different colors of light all travel at the same speed in the glass medium. Since dispersion is the phenomenon where different colors of light travel at different speeds, it does not occur when light passes through a homogeneous medium like a glass slab.
When light travels from air into a glass slab there is no change in its?
direction
Why does a light ray incident on a rectangular glass slab immersed in any medium emerges parallel to itself?
When a light ray enters a rectangular glass slab at an angle, it bends towards the normal due to refraction. As it exits the glass slab, it bends away from the normal by the same amount due to refraction again. The angles at which the light ray enters and exits the slab are such that they cancel out the overall deviation, resulting in the emergent ray being parallel to the incident ray.
Why air bubble in a glass slab have silvery look?
When light passes from one medium to another with different densities, such as air to glass, some light is reflected at the interface. This reflection of light creates a silvery appearance on the surface of the air bubble in the glass slab. The color is a result of interference between the reflected light waves.
Why glass slab do not causes disperssion of light ray?
Glass does cause disperssion. Think of a prism.
