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Light of wavelength 640 nm falls on a plane diffraction grating with 12000 lines per inch. In the diffraction pattern on a screen kept at a distance of 12 cm from the grating, the distance of the second order maximum from the central maximum is

Options

  1. A1.81 cm
  2. B2.41 cm
  3. C3.62 cm
  4. D7.25 cm

Correct answer

D. 7.25 cm

Step-by-step solution

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