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What is the wavelength of light used in a Young's double-slit experiment, where the slits are separated by 0.28 mm, the screen is placed 1.4 m away, and the distance between the central bright fringe and the fourth bright fringe is measured to be 1.2 cm?

Options

  1. A500 nm
  2. B550 nm
  3. C600 nm
  4. D650 nm

Correct answer

C. 600 nm

Step-by-step solution

Correct Option is : (C) 600 nm

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