An unpolarized light of intensity is passed through three polarizer, whose axes of polarization are parallel to each other. Find the intensity of the light emerging from the third sheet.
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An unpolarized light of intensity is passed through three
polarizer, whose axes of polarization are parallel to each other.
Find the intensity of the light emerging from the third sheet.
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- A ray of light crosses the boundary between some substance with n = 1.54 and air, going from the substance into air. If the angle of incidence is 29◦ what is the angle of refraction? Calculate to 1decimal.In Figure (a) below, unpolarized light is sent into a system of three polarizing sheets. The angles 8₁, 82, and 83 of the polarizing directions are measured counterclockwise from the positive direction of the y axis (they are not drawn to scale). Angles 8₁ and 83 are fixed, but angle 82 can be varied. Figure (b) gives the intensity of the light emerging from sheet 3 as a function of 82. (The scale of the intensity axis is not indicated.) What percentage of the light's initial intensity is transmitted by the system when 82 = 34⁰? (a) M 90° (b) 18002Three polarizing plates are stacked. The first and third plate are orthogonal to one another and the plate in between has its axis oriented at 45° to the axes of the other two. (a) If the intensity of unpolarized light that arrives at the first plate is lo, what is the intensity transmitted by the stack? (b) What angle should you rotate this middle plate to ensure maximum transmission of light through the stack?
- In Figure (a) below, unpolarized light is sent into a system of three polarizing sheets.The angles 0₁, 02, and 83 of the polarizing directions are measured counterclockwise from the positive direction of the y axis (they are not drawn to scale). Angles 0₁ and 83 are fixed, but angle 82 can be varied. Figure (b) gives the intensity of the light emerging from sheet 3 as a function of 0₂. (The scale of the intensity axis is not indicated.) What percentage of the light's initial intensity is transmitted by the three-sheet system when 82 = 92⁰? Number Units 60° (b) 120° 180-A ray of light is incident on an air/water interface. The ray makes an angle of θ1 = 29 degrees with respect to the normal of the surface. The index of the air is n1 = 1 while water is n2 = 1.33. Write an expression for the reflection angle ψ, with respect to the surface.A piece of clear plastic is immersed in a fluid, which has an index of refraction of nfluid = 1.20.When light traveling through the plastic is incident on the boundary with the fluid and makesan angle of 58° or greater with the normal, total internal reflection occurs. What is the index ofrefraction of the plastic?