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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 16 - Optics > Let the x-z plane be the boundary between two transparent media. Media 1 in z ≥ 0 has refractive index of 2–√ and medium 2 with z < 0 has a refractive index of 3–√. A ray of light in medium 1 given by the vector A→=63–√iˆ+83–√jˆ−10kˆ in incident on the plane of separation. The angle of refraction in medium 2 is

Let the x-z plane be the boundary between two transparent media. Media 1 in z ≥ 0 has refractive index of 2–√ and medium 2 with z < 0 has a refractive index of 3–√. A ray of light in medium 1 given by the vector A→=63–√iˆ+83–√jˆ−10kˆ in incident on the plane of separation. The angle of refraction in medium 2 is

In figure the number of reflections it makes before emerging form the other end is close to : (refractive index of fiber is 1.31 and sin40^∘=0.64) the optical fiber is l = 2 m long and has a diameter of d=20μm. If a ray of light is incident on one end of the fiber at angle θ1=40^∘