AP EAMCET · PHYSICS · Wave Optics
In Young's double slit experiment, the separation between the slits is halved and the distance between the screen is doubled. The fringe width is
- A Unchanged
- B Halved
- C Doubled
- D Quadrupled
Answer & Solution
Correct Answer
(D) Quadrupled
Step-by-step Solution
Detailed explanation
Fringe width, β=Dλd ⇒β2β1=D2D1×d1d2 ⇒β2β1=2DD×2dd ⇒β2β1=4 ⇒β2=4β1
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