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Young S Double Slit Experiment Questions

Practice 3 Young S Double Slit Experiment questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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About Young's Double Slit Experiment โ€” practice questions, PYQs & concepts

Young's Double Slit Experiment is a frequently-tested topic on Physics. ExamTest.live currently lists 3 Young's Double Slit Experiment questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year โ€” every answer key is free, no sign-up required.

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All Young S Double Slit Experiment Questions(1โ€“3 of 3)

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Q1hardmcqPhysicsNEET (UG) 20172026
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Youngโ€™s double slit experiment is first performed in air and then in a medium other than air. It is found that bright fringe in the medium lies where dark fringe lies in air. The refractive index of the medium is nearly:
Q2mediummcqPhysicsNEET (UG) 20182026
In Young's double slit experiment the separation between the slits is , the wavelength of the light used is and distance between the screen and slits is . It is found that the angular width of the fringes is . To increase the fringe angular width to (with same and ) the separation between the slits needs to be changed to:
Q3mediummcqPhysicsAIEEE 20092026
A mixture of light, consisting of wavelength and an unknown wavelength, illuminates Youngโ€™s double slit and gives rise to two overlapping interference patterns on the screen. The central maximum of both lights coincide. Further, it is observed that the third bright fringe of known light coincides with the bright fringe of the unknown light. From this data, the wavelength of the unknown light is:

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