#LetsPrepareATC 🏆 Prepare AAI - ATC Exam (2023) with ATC Gurus Mr. Paras Soni & Dr. Abhijit Sen
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Practice Question
In a Young’s double slit experience, slit width is d and light of wavelength \(\lambda\) is used to observe interference pattern at a screen placed at a distance D from the plane of the slits. The fringe width is given by :

Select one correct option:

\(\frac{\lambda D}{d}\) Correct 💪 In-correct 🧐
\(\frac{\lambda d}{2D}\) Correct 💪 In-correct 🧐
\(\frac{\lambda D}{2d}\) Correct 💪 In-correct 🧐
\(\frac{\lambda d}{D}\) Correct 💪 In-correct 🧐
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