3. A single slit is used to create an interference pattern on a screen using light. Consider the statements that follow with respect to the pattern generated: I. A longer wavelength of light generates a wider central maximum. II. When using white light, the outer fringes are coloured. III. A narrower slit generates a wider central maximum. Which of the above statements is/are incorrect? a. b. c. I only I and II only I and III only d. e. I, II, and III none

3. A single slit is used to create an interference pattern on a screen using light. Consider the statements that follow with respect to the pattern generated: I. A longer wavelength of light generates a wider central maximum. II. When using white light, the outer fringes are coloured. III. A narrower slit generates a wider central maximum. Which of the above statements is/are incorrect? a. b. c. I only I and II only I and III only d. e. I, II, and III none

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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3. White light is passed through a double slit and interference pattern is observed on a screen 2-5 m auway. The separation between the slits is 0:5 mm. The first violet and red fringes are formed 2-0 mm and 3-5 mm away from the central white fringe. Calculate the wavelengths of the violet and the red light.
Pls help ASAP.
A double slit source is at a distance of 1.3 m away from a screen. The slits are separated by 3.0 x 10-5 m from each other. The second order bright fringe is observed 5.9 x 102 m from the centre line. What is the colour of the light? O A. Blue В. Green O C. Yellow O D. Orange E. Red V
9. Which of the following will increase the separation between the dark fringes in the diffraction pattern produced by a single slit? a. decreasing both the wavelength of light and the width of the slit by the same amount b. increasing the wavelength of light used and decreasing the width of the slit by the same amount c. decreasing the wavelength of light and increasing the width of the slit by the same amount d. increasing the wavelength of light used and the width of the slit by the same amount
10. A ray of light with a wavelength of 480 nm strikes a very thin soap film of thickness 2.00 nm, with air on each side of the film. Which statement is true? a. There will be constructive interference because the path difference is effectively zero, and phase change occurs at only one surface. b. There will be destructive interference because the path difference is effectively zero, and phase change occurs at only one surface. c. There will be constructive interference because the path difference is effectively zero, and phase change occurs at either surface. d. There will be destructive interference because the path difference is effectively zero, and phase change does not occur at either surface.
A double slit source is at a distance of 1.3 m away from a screen. The slits are separated by 3.0 x 10-5 m from each other. The second order bright fringe is observed 5.9 x 10-2 m from the centre line. What is the colour of the light? O A. Green B. Yellow OC. Red D. Blue E. Orange
6. Structures on a hummingbird feather act like a diffraction grating having 8000 lines per centimeter. What is the angle of the first-order maximum for 488-nm light? 2 7. When red light illuminates a grating with 7000 lines per centimeter, its second maximum is at 62.4°. What is the wavelength of this light?
What is the highest order bright fringe that will be observed when green light of wavelength 550 nm is incident on a Young's double slit apparatus with a slit spacing of 11 µm? a. m = 12 b. m = 16 c. m = 18 d. m = 20 e. m = 14
5. Draw the variation of the mean light intensity (l) with respect to the angle of diffraction (teta) if i is due to interference of light of wavelength (lamda) using 2 slits. It is known that each slit has a width of a(- 2 lamda) and the distance between the two slits is d(- 4 lamda).
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An air gap exists between two glass plates (n = 1.55). %3D a. Determine the minimum width of the air gap if orange light (495TH2) is strongly reflected. b. Determine the minimum width of the air gap if blue light (660TH2) is not reflected at all. c. Determine the minimum width of the air gap if orange light is strongly reflected AND blue light is not reflected at all.
Two narrow slits separated by 0.400 mm are illuminated by a sodium vapor light with a 589 nm wavelength. A screen set 3.00 m away is used to observe interference fringes. Determine the distance between the central maximum and the third bright fringe. a. 13.26 mm b. 15.47 mm c. 8.84 mm d. 11.05 mm