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Syed Shoaib posted an Question
June 08, 2021 • 00:46 am 30 points
  • IIT JAM
  • Physics (PH)

Q.5 an experiment with a michelson interferometer is performed in vacuum using a laser of wavelength 610 nm. one of the beams of the interferometer passes throu

Q.5 An experiment with a Michelson interferometer is performed in vacuum using a laser of wavelength 610 nm. One of the beams of the interferometer passes through a small glass cavity 1.3 cm long. After the cavity is completely filled with a medium of refractive index n, 472 dark fringes are counted to move past a reference line. Given that the speed of light is 3x10 m/s, the value of n is (A) 1.01 (B) 1.04 (C) 1.06 D) 1.10

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