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Which of the following options represents the least distance from the central maximum where the bright fringes due to both wavelengths, 650 nm and 520 nm, coincide in a Young's double-slit experiment?

Options

  1. A1.56 mm
  2. B0.78 mm
  3. C3.12 mm
  4. D2.34 mm

Correct answer

A. 1.56 mm

Step-by-step solution

Correct Option is : (A) 1.56 mm

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