In a diffraction pattern, if the distance between the slits is decreased, what h

Practice Questions

Q1
In a diffraction pattern, if the distance between the slits is decreased, what happens to the central maximum? (2022)
  1. It becomes wider
  2. It becomes narrower
  3. It disappears
  4. It remains unchanged

Questions & Step-by-Step Solutions

In a diffraction pattern, if the distance between the slits is decreased, what happens to the central maximum? (2022)
  • Step 1: Understand what a diffraction pattern is. It is a pattern created when waves, like light, pass through slits and spread out.
  • Step 2: Know that the central maximum is the brightest part in the middle of the diffraction pattern.
  • Step 3: Recognize that the distance between the slits affects how the waves interfere with each other.
  • Step 4: When the distance between the slits is decreased, the waves spread out more.
  • Step 5: This spreading out of the waves causes the central maximum to become wider.
  • Step 6: Therefore, decreasing the distance between the slits results in a wider central maximum in the diffraction pattern.
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