What is the effect of increasing the slit width in single-slit diffraction?

Practice Questions

Q1
What is the effect of increasing the slit width in single-slit diffraction?
  1. Increases the width of the central maximum
  2. Decreases the width of the central maximum
  3. No effect on the central maximum
  4. Increases the intensity of the central maximum

Questions & Step-by-Step Solutions

What is the effect of increasing the slit width in single-slit diffraction?
  • Step 1: Understand what single-slit diffraction is. It occurs when light passes through a narrow slit and spreads out.
  • Step 2: Know that the slit width is the size of the opening through which light passes.
  • Step 3: Realize that when the slit width increases, the light has more space to pass through.
  • Step 4: Recognize that a wider slit means the light waves spread out less.
  • Step 5: Conclude that as the slit width increases, the central maximum (the brightest part of the diffraction pattern) becomes narrower.
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