In Young's experiment the wavelength of monochromatic light used is 7000 Aº. The optical path difference between the rays from the two coherent sources at a point P on one side from the central bright band is 0.0060 mm and at a point Q on the other side is 0.0014 mm. How many bright bands are observed between points P and Q?

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In Young's experiment the wavelength of monochromatic light used is 7000 Aº. The optical path
difference between the rays from the two coherent sources at a point P on one side from the central
bright band is 0.0060 mm and at a point Q on the other side is 0.0014 mm. How many bright bands
are observed between points P and Q?
Transcribed Image Text:In Young's experiment the wavelength of monochromatic light used is 7000 Aº. The optical path difference between the rays from the two coherent sources at a point P on one side from the central bright band is 0.0060 mm and at a point Q on the other side is 0.0014 mm. How many bright bands are observed between points P and Q?
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