Red light with wavelength l = 635 nm is incident on two slits with separation d = 27 mm. If L = 1.2 meters, find the distance from the central maximum to the first, second and third MINIMA (dark spots) on the screen. You can assume q is small. (You should have three answers.)
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Red light with wavelength l = 635 nm is incident on two slits with separation d = 27 mm. If L = 1.2 meters, find the distance from the central maximum to the first, second and third MINIMA (dark spots) on the screen. You can assume q is small. (You should have three answers.)
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- In an interference experiment using a monochromatic source emitting light of wavelength 1, the fringes are produced by two long, narrow slits separated by a distance d. The fringes are formed on a screen which is situated at a distance D >> d.Write down an expression for the fringe width w. Please use "*" for products (e.g. B*A), "/" for ratios (e.g. B/A) and the usual "+" and "-" signs as appropriate. Use "lambda" (without the quotes) for 1 in the equation box. For example, use d*lambda for d2. Please use the "Display response" button to check you entered the answer you expect. w=Measuring distance with high precision is a critical goal in engineering. Numerous devices exist to perform such measurements, with many involving laser light. Shining light through a double slit can be used to measure distance if (1) both the wavelength of the light beam and the distance between slits are known and (2) the spacing between the minima and maxima appearing on the screen can be measured. But this method requires a physical measurement of distance on the object, which may not be practical. To create a laser-based measurement device that does not require placing a physical ruler on the object, a Nd:YAG laser is mounted inside a box so that the beam of the laser passes through two slits rigidly attached to the laser. Although 1064 nm is the principal wavelength of a Nd:YAG laser, the laser can be switched to numerous secondary wavelengths, including 1052 nm, 1075 nm, 1113 nm, and 1319 nm. Lo Id Object Laser The device is used to shine a beam on an object located nearby. The…Yellow light with wavelength, λ = 546 nm, is shined on two slits that are, d = 0.96 μm, apart and the resulting diffraction pattern is observed on a screen that is a distance, D = 1.3 m away. (a) Find the angles of the first order minima and maxima. 01min 1max = (b) How far apart are they on the screen? Ay = || m 0 (c) What is the screen width of the central maximum? What is its angular width? Ayo Δθο = cm 0 (d) Will there be a second order minimum? O Yep O Nope (e) Will there be a second order maximum? O Yep O Nope
- Monochromatic light with wavelength 588 nm is incident on a slit with width 0.0204 mm. The distance from the slit to a screen is 3.5 m. Consider a point on the screen 1.1 cm from the central maximum. Calculate (a) θ for that point, (b) α, and (c) the ratio of the intensity at that point to the intensity at the central maximum.The picture shows the interference pattern obtained in a double-slit experiment with monochromatic light of wavelength 650 nm. The distance shown between intensity maxima is y = 4 mm. How far away (in mm) from the central maxima is the location where the two waves have a path difference of exactly 1950 nm?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 single slit with a slit width of 0.48 mm is illuminated with monochromatic light having a wavelength of 491 nm. At what distance away should a screen be placed so that the central maxima has a spatial width of .52 cm. Express the distance in meters.Red light (λ=710 nm) illuminates double slits separated by a distance d=0.118 mm. The screen and the slits are 2.41 m apart. Find the distance on the screen between the central maximum (m=0) and the third-order maximum (m=3). Give your answer in cm.slit of width 0.46 mm is illuminated with light of wavelength 534 nm, and a screen is placed 114 cm in front of the slit. Find the widths of the first and second maxima on each side of the central maximum. w1 = mm (1st maxima) w2 = mm (2nd maxima)