Light of wavelength 650 nm falls on a slit that is 3.40×10-3 mm wide. Part A How far the first bright diffraction fringe is from the strong central maximum if the screen is 11.5 m away. Express your answer to three significant figures and include the appropriate units.
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- Part A In a double-slit experiment, the fringe spacing on a screen 100 cm behind the slits is 4 mm. What will the fringe spacing be if the screen distance is doubled to 200 cm? O 16 mm O 2 mm O 8 mm O 4 mm Submit Request Answer Provide FeedbackExcited potassium atoms emit deep-violet light at wavelengths 404.4 nm and 404.7 nm. Suppose light from a potassium lamp passes through a diffraction grating that has 960 slits per millimeter. Part A How far behind the grating must a viewing screen be placed so that the two first-order tringes are separated by 10 Express your answer with the appropriate units. L= 0.00238 m Submit Previous Anawace Bequest Answer X Incorrect; Try Again; 13 attempts remaining.How is the interference pattern created by eight evenly spaced slits of equal width different from the interference pattern created by two slits of with the same spacing and width that the eight slits have? O The bright fringes will be spaced farther apart in the two slit pattern. O All of these are true. There will be dim fringes between each pair of bright fringes for the eight slit pattern. The bright fringes are narrower for the two slit pattern.
- My dear hand written solution is not allowed.Light from a sodium lamp (wavelength = 589 nm) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm . Part A - What is the spacing (in mm ) between the two slits? Express your answer using two significant figures.Light of wavelength 690 nm falls on two slits and produces an interference pattern in which the fourth-order fringe is 37 mm from the central fringe on a screen 2.5 m away. Part A What is the separation of the two slits? Express your answer using two significant figures. ΑΣΦ d=270 10 6 = ? Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining m
- White light strikes a diffraction grating (625 lines/mm) at normal incidence. Part A What is the highest-order visible maximum that is formed? Express your answer to the nearest integer. |VLI ΑΣΦ m = 3 C ?Suppose you illuminate two thin slits by monochromatic coherent light in air and find that they produce their first interference minima at 35.25° on either side of the central bright spot. You then immerse these slits in a transparent liquid and illuminate them with the same light. Now you find that the first minima occur at 19.34° instead. Part A What is the index of refraction of this liquid? Express your answer using four significant figures. n = Submit 17| ΑΣΦ Provide Feedback Request Answer ?Two radio antennas A and B radiate in phase. Antenna B is a distance of 100 m to the right of antenna A. Consider point Q along the extension of the line connecting the antennas, a horizontal distance of 30.0 m to the right of antenna B. The frequency, and hence the wavelength, of the emitted waves can be varied. Part A What is the longest wavelength for which there will be destructive interference at point Q? Express your answer in meters. Π| ΑΣΦ λ = Submit Part B Request Answer λ = ? What is the longest wavelength for which there will be constructive interference at point Q? Express your answer in meters. Π ΑΣΦ m ? m
- Part A One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. Having recently studied optics in your physics class, you're not too surprised to see that the patch of light seems to be a circular diffraction pattern. It appears that the central maximum is about 3 cm across, and you estimate that the distance from the window Estimate the average wavelength of the sunlight (in nm). shade to the wall is about 5 mn O 350 nm 450 nm O 550 nm O 650 nm O 750 nm Submit Previous Answers v Correct Part B Estimate the diameter of the pinhole (in mm). Express your answer using one significant figure. IXI x•10" d = 1.83 • 10¯2 mm Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remainingANSWER #2 A-C from the image providedQuestion 1: Solve the following question, showing all of your steps and equation used. Assume that you create two slits that are 0.02 mm apart, and you place a viewing screen 1 meter away. You shine a laser beam of wavelength A = 540 nm on the two slits. a. What is the angle of the brightest fringe? b. What is the angle of the first order interference fringe? c. What is the angle where you will see the third order bright fringe? How far above the center of the source do you expect to see this fringe?