In Young's experiment, the wavelength of monochromatic light used is 6000 A. U. The optical path difference between the rays from the two coherent sources at point Pon "the screen is 0.0075 mm and at a point Q on the screen is. 0.0015 mm. How many bright and dark. bands are observed between the two points P and Q? (points P and Q are on the opposite sides of central bright band).

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In Young's experiment, the wavelength
of monochromatic light used is 6000 A. U. The
optical path difference between the rays from
the two coherent sources at point Pon "the
screen is 0.0075 mm and at a point Q on the
screen is. 0.0015 mm. How many bright and
dark. bands are observed between the two
points P and Q? (points P and Q are on the
opposite sides of central bright band).
Transcribed Image Text:In Young's experiment, the wavelength of monochromatic light used is 6000 A. U. The optical path difference between the rays from the two coherent sources at point Pon "the screen is 0.0075 mm and at a point Q on the screen is. 0.0015 mm. How many bright and dark. bands are observed between the two points P and Q? (points P and Q are on the opposite sides of central bright band).
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