Question bank: Geometric Optics: Snell's Law

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Question 1:

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Geometric Optics: Snell's Law

Question 2:

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In an optics experiment, a monochromatic light beam is incident on a surface separating two transparent mediums with different refractive indices. The beam has an incidence of 60° with respect to the normal in the first medium, where the refractive index is n1 = 1.5. The second medium has an unknown refractive index n2. Knowing that the refracted light beam forms an angle of 45° with respect to the normal in the second medium, calculate the value of n2 using Snell's Law.

Geometric Optics: Snell's Law

Question 3:

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Luminous dispersion can be observed in various natural phenomena, such as in the rainbow, where sunlight is deflected and separated into its various wavelengths. Which of these statements correctly describes the rainbow?

Geometric Optics: Snell's Law

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Geometric Optics: Snell's Law

Question 5:

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An oceanographer is studying the speed of light in different layers of water in the ocean with varying concentrations of salt. He uses a laser to shoot a beam of light at an angle of 35 degrees in relation to the water surface, which in the first medium (water with lower salt concentration) has a refractive index of 1.33. When the light enters the second layer (water with higher salt concentration), the light beam undergoes refraction and the angle of incidence is modified. Consider that the speed of light in a vacuum is 3*10^8 m/s. 1) Determine the angle of refraction of light in the second medium, knowing that the refractive index of this layer of water is 1.40. 2) Calculate the speed of light propagation in the second layer, using the result obtained in the previous item. 3) Find the deviation suffered by the light beam when passing from one medium to the other.

Geometric Optics: Snell's Law

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