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Wave Optics — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
Question

In Young's double slit experiment, the distance between the slits is 1 mm and that between slit and screen is 1 meter and 10th fringe is 5 mm away from the central bright fringe, then wavelength of light used will be

(a) 5000 Å

(b) 6000 Å

(c) 7000 Å

(d) 8000 Å
✓

Answer

(a) 5000 Å

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