Laser light of wavelength 632.8 nm passes through a diffraction grating with a line density of 5,300 lines/cm. The interference pattern is observed on a wall 0.9 meters in front of the diffraction grating. Second max. Central max. Calculate the distance (in meters) between the 2nd bright spot the central maximum. Warning: the small angle approximation leads to significant errors for angles bigger than 10 degrees.
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- Light from a laser is passed through a mask with two slits separated by 90 um. The light makesan interference pattern on a wall 2.6 m away from the mask. You measure the distance from thecentral bright spot to the first interference maximum to be 1.8 cm. What is the wavelength of thelight?Fringes in the Thomas Young experiment are produced using sodium light of wavelength 513 nm and two slits which are 1.2 mm apart. If the fringes are formed on a screen 1.1 m away from the slits, how far is the third order bright fringe from the middle of the screen? Give your answer in millimeters (mm)A red laser of wavelength 632.8x10-9 m is directed horizontally towards a diffraction grating. The separation between slits on the grating is 2.54x10-5 m. What angle is a 2nd order bright spot is seen at? Use the following equation to calculate the angle. mλ = d sin 0
- When illuminating the observation screen directly, without any slits, you notice that the laser has a spread, meaning that the light on the screen becomes larger as you increase the distance between you and the screen. Determine the angular spread of the 710.5 nm wavelength laser beam if the circular aperture of the laser is 0.7 mm in diameter. Enter your answer in milli-rad with 2 decimal place precisionA diffraction grating is 3 cm long and has 3000 slits. White light shines through it and creates fringes on a screen 0.7 m away. The first fringe of the color pewter appears 3.4 cm from the central white fringe. What wavelength is this pewter light (in nanometers, nm)You measure three segments of the distance between a diffraction slit an the screen on which the pattern forms: x1 = (15.8 ± 0.2) cm, x2 = (6.7 ± 0.1) cm, and x3 = (11.3 ± 0.1). What is the uncertainty of the total distance x1 + x2 + x3? Group of answer choices 0.4 cm 0.5 cm 0.2 cm 0.3 cm 0.1 cm
- Narrow, equally spaced vertical slits with equal widths are located at a distance of D = 2.47 m from a screen. The intensity pattern in the figure is observed when light with wavelength = 570 nm from a laser passes through the slits, illuminating them uniformly. The screen is perpendicular to the laser beam. 0 1 2 3 4 5 6 7 8 9 cm 7 The number of slits is ... Submit Answer Incorrect. Tries 1/3 Previous Tries Calculate the center to center spacing between the slits. Use the cm scale to measure distances on the screen. 2.25x10^-6 cm There is a fixed relation between wavelength, slit separation, and angle between the first (or second, third etc) order maximum and the central maximum. The angle can be determined from the distance to the screen and the separation between the first maximum and the central maximum on the screen. Submit Answer Incorrect. Tries 1/12 Previous Tries Calculate the width of the slits. Use the cm scale to measure distances on the screen. Submit Answer Tries 0/12Angel is experimenting with a diffraction grating of unknown spacing. He is looking to determine the wavelength of the light in the emission spectrum of a gas and finds that a light having a known wavelength of 623.1nm is deflected by 43.8 ° away from the central maximum in the second order by this grating. Light of the wavelength to be measured is deflected by 45.4° away from the central maximum in the second order. What is the wavelength of this light in nanometers? Please give your answer as a whole number.Light with wavelength 2 passes through a narrow slit of width w and is seen on a screen which is located at a distance D in front of the slit. The first minimum of the diffraction pattern is at distance d from the middle of the central maximum. Calculate the wavelength of light if D=2.4 m, d =1 mm and w = VAD.Give your answer in nanometers. Answer: Choose...
- You are given a diffraction grating and you shine laser light with wavelength 500nm through it and produce a diffraction pattern on a screen. You measure the 3rd order bright spot to be at angle 70.0° above the horizontal distance (from the grating to the screen). Using the same grating, calculate the angle (in degrees) pointing to the 2nd order bright spot if you used a laser with wavelength 450 nm.Light with a wavelength of 418 nm goes trough a slilt that is 65 micrometers wide and falls on a screen that is 30 m away. What is the full width of the central bright spot of the diffraction pattern? Please give your answer in meters. You may use the small angle approximation.