In a two-slit interference pattern, if the intensity of light from one slit is i

Practice Questions

Q1
In a two-slit interference pattern, if the intensity of light from one slit is increased, what happens to the overall intensity of the pattern?
  1. It decreases
  2. It remains the same
  3. It increases
  4. It becomes zero

Questions & Step-by-Step Solutions

In a two-slit interference pattern, if the intensity of light from one slit is increased, what happens to the overall intensity of the pattern?
  • Step 1: Understand that in a two-slit interference pattern, light from two slits combines to create a pattern of bright and dark spots.
  • Step 2: Recognize that the intensity of light from each slit contributes to the overall brightness of the pattern.
  • Step 3: If you increase the intensity of light from one slit, it means that this slit is now providing more light.
  • Step 4: The increased light from one slit will add to the light from the other slit when they combine.
  • Step 5: As a result, the overall intensity of the interference pattern will increase because there is more light contributing to the bright spots.
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