Question

Explain the phenomenon of reversibility of light !!! in about 100 words.
No plagiarism please.
Content quality answer required .....

Answer 1

Hey...!!
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Snell's law is used to determine the direction of light rays through refractive media with varying indices of refraction.

The indices of refraction of the media, labeled and so on, are used to represent the factor by which a light ray's speed decreases when traveling through a refractive medium, such as glass or water, as opposed to its velocity in a vacuum.

As light passes the border between media, depending upon the relative refractive indices of the two media, the light will either be refracted to a lesser angle, or a greater one.

These angles are measured with respect to the normal line, represented perpendicular to the boundary. In the case of light traveling from air into water, light would be refracted towards the normal line, because the light is slowed down in water; light traveling from water to air would refract away from the normal line.

Refraction between two surfaces is also referred to as reversible because if all conditions were identical, the angles would be the same for light propagating in the opposite direction.

Snell's law is generally true only for isotropic or specular media (such as glass). In anisotropic media such as some crystals, birefringence may split the refracted ray into two rays, the ordinary or o-ray which follows Snell's law, and the other extraordinary or e-ray which may not be co-planar with the incident ray.


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Answer 2

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★ What is Principle of Reversibility of light?

▪️If the direction of a ray of light is reversed due to reflection off a surface, then it will retrace its path.

★ What Is The Principle Of Reversibility?

▪️The principle of reversibility of light states that light follows the same path if the direction of the travel of light is reversed.

The principle of reversibility presumes that the attenuation of a light ray during its passage through an optical medium because of reflection, refraction, and absorption is not affected by a reversal of the direction of the ray. In its simplest explanation, the principle of reversibility is a deduction of Snell’s law of the refraction of light. The principle of reversibility presumes that the attenuation of a light ray during its entrance through an optical medium due to reflection, refraction, and absorption is not changed by a reversal of the direction of the ray.

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@Dalnvincible :)