Questions

Why there is no refraction in glass slab?

Why there is no refraction in glass slab?

If the incident ray falls on the glass slab perpendicularly or normally, it goes inside the slab un-deviated i.e there is no bending of light because of the following reasons: As the incident rays passes along the normal to the surface, the angle of incidence becomes zero.

What happens when a light ray falls normally on a glass slab?

When a ray of light falls on a glass slab normally, the angle between normal and incident ray is zero.

When light undergoes refraction through a glass slab the ray and ray are parallel to each other?

In refraction of light through a rectangular glass slab, the emergent ray is parallel to the direction of the incident ray.

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When light passes through glass slab the incident ray and emergent ray are?

refraction
During refraction of light through the glass slab, incident ray and emergent ray are perpendicular to each other.

When a ray of light falls normally on a surface?

When a ray of light falls normally (or perpendicularly) on the surface of a plane mirror, it gets reflected along the same path because the angles of incidence and reflection are both equal to zero.

What happens when the incident ray falls normally on the surface of a glass slab What is the angle of incidence what is the angle of refraction?

When a ray of light falls on a glass slab normally, angle between normal and incident ray is zero. ∴ Angle of incidence is zero.

When light passes from glass block the incident ray is parallel to the emergent ray Why?

Emergent ray is parallel to the incident ray, after the refraction of Incident ray through a glass slab because the angle of incidence is equal to the angle of emergence and they are also the alternate interior angles.

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When a ray of light falls normally on a surface separating two media?

Refraction is the bending of the path of a light wave as it passes across the boundary separating two media.