AP EAMCET · PHYSICS · Wave Optics
In a Young's double slit experiment, if the wavelength of light is increased by \(50 \%\) and the distance between the slits is doubled then the percentage change in fringe width is
- A \(75\)
- B \(50\)
- C \(25\)
- D \(15\)
Answer & Solution
Correct Answer
(A) \(75\)
Step-by-step Solution
Detailed explanation
Wavelength of light, \(\lambda^{\prime}=50 \lambda\) Distance between the slit, \(\mathrm{d}^{\prime}=2 \mathrm{~d}\) fringe width, \(\beta^{\prime}=\frac{D \lambda^{\prime}}{d^{\prime}}\)…
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