Title: Interference and Diffraction of Light Attach all your graphs and table. Pre-Lab Questions ...
A double sit produces a diffraction pattern that is a combination of single- and double-slit interference. Find the ratio of the width of the slits to the separation between them, if the first minimum of the single-slit pattern falls on the fifth maximum of the double-slit pattern.(This will greatly reduce the intensity of the fifth maximum.) Select the correct answer 0.100 0.0400.200 0.500 0.250
A plane monochromatic light wave is incident on a double slit and the interference pattern is shown on a screen. As the slit separation increases, what happens to the separation between the interference fringes on the screen? More information is required. It remains the same. It decreases. It may increase or decrease, depending on the wavelength of light. It increases.
*Question 246: Interference/Diffraction Two Slits A two slit Fraunhoffer diffraction-interference pattern is observed with light of wavelength 700 nm. The slits have a width a = 0.01 mm and a separation d = 0.2 mm. How many bright fringes will be seen in the central diffraction maximum? Select one a. 38 b. 19 ec. 20 d. 3 e. 39
A plane monochromatic light wave is incident on a double slit and the interference pattern is shown on a screen. As the viewing screen is moved away from the double slit, what happens to the separation between the interference fringes on the screen? It may increase or decrease, depending on the wavelength of light. It increases. It remains the same. More information is required. It decreases.
With the slit vertical, in which direction does the light spread out by diffraction? Describe the appearance of the single slit diffraction pattern for a narrow slit and for a wider slit. For the double slits, what happens to the interference fringes as the slit separation is increased? Is this consistent with equation 1? Calculate the slope from any pair of the slit separation and fringe separation, then calculate the wavelength from the slope. Use the formulas shown below...
Problem #4 (2 points) Double-slit interference and diffraction combined Light of wave length 440 nm passes through a double slit, yielding the diffraction pattern of intensity | versus diffraction angle 0 as shown in the figure below. Calculate (a) the slit width and (b) the slit separation. (c) Verify the displayed intensities of the m=1 and m= 2 interference fringes. Intensity (mW/cm) oo Deflection (degrees)
5. Fig. 9.2 shows the geometry of a double-slit interference experiment. If the light beam is a laser beam with a wavelength of 500 nm, the slit separation is d 0.3 mm, and the distance to the screen is L-0.7m, what is the value of x at the first minimum of the interference pattern (first minimum to the x side of the central maximum)? What is the value ofx at the first maximum of the interference pattern? What is the...
1. A single slit forms a diffraction pattern, with the second minimum at an angle of 40.0° from central maximum, when monochromatic light of wavelength 630 nm is used. What is the width of the single slit? 2. Consider a two-slit experiment in which the slit separation is 3.0 × 10-5 m and the interference pattern is observed on a screen that is 2.00 m away from the slits. The wavelength of light passing through the slits is 420 nm....
Diffraction of light experiment using single slit and double slit interference experiment: Does the slit separation affect the width of the peaks in the intensity curve or the envelope curve? What about the slit width? Explain briefly.
Suppose you are measuring double-slit interference patterns using an optics kit that contains the following options that you can mix and match: a red laser or a green laser, a slit width of 0.04 or 0.08 mm; a slit separation of 0.25 or 0.50 mm. Estimate the minimum distance L you can place a screen from the double slit that will give you an interference pattern on the screen that you can accurately measure using an ordinary 30 cm (12...