Test App28-4 posted an Question
April 29, 2022 • 20:30 pm 13 points
  • IIT JAM
  • Physics (PH)

9 an experiment with a michelson interferometer is performed in vacuum using a laser of wavelength 610 min. one of the beams of the interferometer passes throug

9 An experiment with a Michelson interferometer is performed in vacuum using a laser of wavelength 610 min. 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 ofrefractive index n. 472 dark fringes are counted to move past a reference line. Given that thespeed of light is 310'm/s, the value of n is

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