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Physics · 2025

JEE Main · 28 January 2025, Shift 1 · Q50

A double slit interference experiment performed with a light of wavelength 600 nm forms an interference fringe pattern on a screen with 10th bright…

A double slit interference experiment performed with a light of wavelength $\displaystyle 600$ nm forms an interference fringe pattern on a screen with 10th bright fringe having its centre at a distance of $\displaystyle 10$ mm from the central maximum. Distance of the centre of the same $\displaystyle 10$ th bright fringe from the central maximum when the source of light is replaced by another source of wavelength $\displaystyle 660$ nm would be $\displaystyle \_\_\_\_$ mm.
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.