Calculate the minimum thicknesses of the thin film (n = 1.75) that reflected most green light at 510 nm under normal incidence as shown in Figure A7. 4/² Air n=1.00 Film "1 Air A B
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- A thin layer of oil n =1.2 is on top of a substance with index of refraction n = 1.5. Normally incident 551nm light in air is incident on the oil and is not reflected at all. Determine the minimum nonzero thickness of the film (in nm). Check correct show all workA light with wavelength λ = 565 nm falls on a pair of closely separated slits. The first dark fringe of the interference pattern is at an angle θ = 3.25 degrees from the central maximum. a) Solve for the numerical value of d in mm.Problem 2: Consider a 470 nm wavelength blue light falling on a pair of slits separated by 0.045 mm. At what angle (in degrees) is the first-order maximum for the blue light? 0 = || sin() cos() cotan() asin() atan() acotan() cosh() tanh() O Degrees O Radians tan() acos() sinh() cotanh() ED π () 7 E ^^ 4 5 6 8 9 HOME + 1 2 VO BACKSPACE 63 DEL END CLEAR
- A grating diffracts a green light at 520 nm with 3000 lines/cm. Through what angle is the light diffracted in the first order?A film of soapy water (n=1.33) on top of a plastic cutting board has a thickness of 278 nm. What is the wavelength of the most strongly reflected if it is illuminated perpendicular to its surface? Round your answer to 0 decimal places.true or false
- Problem 17: Suppose a 1.8 μm wide slit produces its first minimum for 410 nm violet light.Randomized Variablesλv = 410 nmλr = 750 nmw = 1.8 μm Part (a) Calculate the angle at which this occurs for violet light in degrees.Numeric : A numeric value is expected and not an expression.θv = __________________________________________Part (b) Where is the first minimum (in degrees) for 750 nm red light?Numeric : A numeric value is expected and not an expression.θr = __________________________________________A beam of coherent orange light in air (nD = 1.00029) strikes a piece of glass with a refractive index of 1.52 at an angle 24° from normal. a) What will the angle of refraction be? b) If coherent blue light were used instead, would the angle of refraction be larger or smaller? Explain why.