A beam of light composed of red and green ray | vedclass

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(A) When a beam of light consisting of different colors (wavelengths) enters a glass slab, it undergoes refraction. According to Snell's law, the refr

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Two points propagating in two different parallel directions

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(A) When a beam of light consisting of different colors (wavelengths) enters a glass slab, it undergoes refraction. According to Snell's law, the refractive index of glass depends on the wavelength of light $(\mu_{red} Because the refractive indices are different, the angles of refraction for red and green rays are different inside the slab. Consequently, the rays travel along different paths within the slab and emerge from two distinct points on the opposite parallel face. However, since the two faces of the glass slab are parallel, the emergent rays will be parallel to the incident ray and, therefore, parallel to each other.

$A$ beam of light composed of red and green rays is incident obliquely at a point on the face of a rectangular glass slab. When coming out on the opposite parallel face, the red and green rays emerge from

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