a. Explain Diffraction Phenomena? b. Is Laser monochromatic light? Explain? Are there any other methods to determine the wavelength of the laser? Give it ? c. If the width of an aperture is 0.Imm and the distance from the central fringe to the first fringe (z)is 5mm and the distance between the aperture and the screen (L)is 93cm determine the wavelength of light source used ?

a. Explain Diffraction Phenomena? b. Is Laser monochromatic light? Explain? Are there any other methods to determine the wavelength of the laser? Give it ? c. If the width of an aperture is 0.Imm and the distance from the central fringe to the first fringe (z)is 5mm and the distance between the aperture and the screen (L)is 93cm determine the wavelength of light source used ?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter3: Interference

Section: Chapter Questions

Problem 68AP: An intensity minimum is found for 450 nm light transmitted through a transparent film (n=1.20) in...

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An intensity minimum is found for 450 nm light transmitted through a transparent film (n=1.20) in air. (a) What is minimum thickness of the film? (b) If this wavelength is the longest for which the intensity minimum occurs, what are the next three lower values of ? for which this happens?
What is the minimum width of a single slit (in multiples of ) that will produce a first minimum for a wavelength ? (b) What is its minimum width if it produces 50 minima? (c) 1000 minima?
A diffraction grating with 2000 lines per centimeter is used to measure the wavelengths emitted by a hydrogen gas discharge tube. (a) At what angles will you find the maxima of the two first-order blue lines of wavelengths 410 and 434 nm? (b) The maxima of two other first-order lines are found at 1=0.097 rad and 2=0.132 rad . What are the wavelengths of these lines?
Monochromatic light of wavelength 530 nm passes through a horizontal single slit of width 1.5 m in an opaque plate. A screen of dimensions 2.0m2.0m is 1.2 m away from the slit. (a) Which way is the diffraction pattern spread out on the screen? (b) What are the angles of the minima with respect to the center? (c) What are the angles of the maxima? (d) How wide is the central bright fringe on the screen? (e) How wide is the next bright fringe on the screen?
A beam of monochromatic light is incident on a single slit of width 0.630 mm. A diffraction pattern forms on a wall 1.35 m beyond the slit. The distance between the positions of zero intensity on both sides of the central maximum is 2.10 mm. Calculate the wavelength of the light. .049 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. nm
a. The slits are currently set to be a=3.32 um wide. what is the distance between the slits and the screen? b. What is the spacing of the slits?
What happens to the diffraction patters when the following are changed? Thoroughly describe each. a. The width of a single slit, w b. The width w and separation d of double slit c. The number of multiple slits N d. The distance from the slit plate to the sensor L e. The experimental y value collected from your data.
What is the condition of a construction interference (bright fringe) in two slit experiment? A. The path difference between two waves from both the slits should be an integral multiple of wavelength (i.e., 0, ±4, ±24, ±3A..). B. The path difference between two waves from both the slits should be half-odd integral multiple of wavelength (e.g., ±N2, ± 3/2, + 5N2..). C. There should be no path difference at all for constructive interference to form. D. The slit separation should be very small.
X rays of wavelength 0.0820 nm are scattered from the atoms of a crystal. The second-order maximum in the Bragg reflection occurs when the angle is 20.5°. (Figure 1) For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of X-ray diffraction. Part A What is the spacing between adjacent atomic planes in the crystal? Express your answer in nanometers. ΓΙ ΑΣΦ d = Submit Previous Answers Request Answer ? nm
In experiments with his interferometer, Michelson found that the red cadmium line at λ=643.8nm produced fringes until one of the arms of the interferometer was moved 25cm from initially being at the coincidence or equal path length position. a. How many fringes moved through the field of view? b. What is the approximate coherence time of the light?
A. Find the angle (in degrees) of the second diffraction minimum for 750 nm light falling on a slit of width 28.0 µm. B.What slit width (in µm) would place this minimum at 80.0°?
that a ray incident on a 30° prism is deflected by 22.6° if the prism’s index of refraction is 1.59. Suppose that this is the index of refraction of deep violetlight, and that deep red light has an index of refraction of 1.54.a. What is the deflection angle for deep red light?b. If a beam of white light is dispersed by this prism, how wide is the rainbow spectrum on a screen 2.0 m away?