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If the separation between the two slits is decreased in Young’s double-slit experiment keeping the screen position fixed, what will happen to the width of the fringe?
  • a)
    Decreases
  • b)
    Increases
  • c)
    Remains the same
  • d)
    Independent
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
If the separation between the two slits is decreased in Young’s ...
's double slit experiment, what will happen to the interference pattern on the screen?

If the separation between the two slits is decreased in Young's double slit experiment, the interference pattern on the screen will change. The fringes or bands of light and dark regions will become closer together, resulting in a wider pattern. This is because the separation between the slits directly affects the spacing between the interference fringes. The smaller the separation between the slits, the larger the angle between the diffracted beams, and therefore the closer the fringes will be on the screen.
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Community Answer
If the separation between the two slits is decreased in Young’s ...
Fringe width is expressed as:
β = Dλ/d.
So, as the separation (d) between the two slits decreases, the fringe width increases. They are inversely proportional to each other.
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If the separation between the two slits is decreased in Young’s double-slit experiment keeping the screen position fixed, what will happen to the width of the fringe?a)Decreasesb)Increasesc)Remains the samed)IndependentCorrect answer is option 'B'. Can you explain this answer?
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