Problem 9 You shine your favorite laser pointer (which has a wavelength of 450 nm) towards two slits a distance d apart. You then observes the second order (m=2) bright fringe to be 5.0 cm away from the central bright maximum on a screen 4.0 meters away. You now shine your second favorite laser pointer (which has a wavelength of 530nm) onto the slits, how far away from the central bright maximum will the third order (m=3) bright fringe be located?

A laser beam is normally incident on a single slit with width 0.620 mm. A diffraction pattern forms on a screen a distance 1.35 m beyond the slit. The distance between the positions of zero intensity on both sides of the central maximum is 2.18 mm. Calculate the wavelength of the light (in nm). nm Need Help? Read It

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 precision

Light with wavelength i 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=3.1 m, d=1 mm and w = VAD. Give your answer in nanometers. Answer: nm Next page

beam of monochromatic light is incident on a single slit of width 0.560 mm. A diffraction pattern forms on a wall 1.20 m beyond the slit. The distance between the positions of zero intensity on both sides of the central maximum is 2.36 mm. Calculate the wavelength of the light. nm A helium-neon laser (A = 632.8 nm) is used to calibrate a diffraction grating. If the first-order maximum occurs at 20.1 Degree , what is the spacing between adjacent grooves in the grating? (In this problem, assume that the light is incident normally on the gratings.) pm White light is spread out into its spectral components by a diffraction grating. If the grating has 1 980 grooves per centimeter, at what angle does red light of wavelength 640 nm appear in first order? (Assume that the light is incident normally on the gratings.)

You perform a double-slit experiment in order to measure the wavelength of the new laser that you received for your birthday. You set your slit spacing at 1.05 mm and place your screen 8.51 m from the slits. Then, you illuminate the slits with your new toy and find on the screen that the tenth bright fringe is 4.63 cm away from the central bright fringe (counted as the zeroth bright fringe). What is your laser's wavelength i expressed 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

A flat observation screen is placed at a distance of 4.7 m from a pair of slits. The separation on the screen between the central bright fringe and the first-order bright fringe is 0.035 m. The light illuminating the slits has a wavelength of 495 nm. Determine the slit separation. Number i Units

A nearly monochromatic beam of light with an average wavelength of 516 nm is incident normally on a diffraction grating 2.90 cm wide with 1300 lines/cm. What is the smallest wavelength difference (in nm) this grating can resolve in the second order diffraction with this beam?Type your answer here

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