In a single-slit diffraction pattern, how does the intensity of the first minimu

Practice Questions

Q1
In a single-slit diffraction pattern, how does the intensity of the first minimum compare to the intensity of the central maximum?
  1. It is equal
  2. It is half
  3. It is zero
  4. It is one-fourth

Questions & Step-by-Step Solutions

In a single-slit diffraction pattern, how does the intensity of the first minimum compare to the intensity of the central maximum?
  • Step 1: Understand that a single-slit diffraction pattern is created when light passes through a narrow slit.
  • Step 2: Recognize that the central maximum is the brightest part of the pattern, located in the middle.
  • Step 3: Identify that the first minimum is the first dark spot on either side of the central maximum.
  • Step 4: Know that the intensity of light at the central maximum is at its highest point.
  • Step 5: Realize that at the first minimum, the intensity of light is completely absent, meaning it is zero.
  • Step 6: Compare the two: the intensity at the first minimum is zero, while the intensity at the central maximum is maximum.
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