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Learn about the diffraction pattern produced by passing light through a single slit, and understand the properties of intensity. Determine path differences, slit widths, and characteristics of the central bright region.
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Q.1 • This is the diffraction pattern produced by passing light with wavelength= λ through a single slit of width = a. • Consider the paths from the top and bottom edges of the slit to the first dark region (m=1). What is the path difference equal to? • λ/2 • λ • 3/2 λ • 2 λ Hint:
Q.2 • Given: The wavelength of light =0.0005mm. • What is the slit width? • 32mm • 16mm • 0.5mm • 0.2mm
Q.3 • Which of the following statements is true about the intensity of a single slit diffraction pattern? • The central bright region is much brighter than the other bright regions but it is narrower than the other bright regions. • The central bright region is much brighter than the other bright regions and it is the same width as the other bright regions. • The central bright region is much brighter than the other bright regions but it is wider than the other bright regions. • The central bright region has the same intensity as the other bright regions and has the same width.
