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MHT CET202615 April 2026Morning ShiftPhysicsWave OpticsActual

When the distance of separation between the slit and screen is doubled, the angular separation between fringes in single slit diffraction pattern experiment

Options

  1. Aincreases
  2. Bdecreases
  3. Cremains same
  4. Dfirst increases and then decreases

Correct answer

C. remains same

Step-by-step solution

The angular separation between fringes in a single slit diffraction pattern is given by = a , where is the wavelength of light and a is the width of the slit. This expression is independent of the distance D between the slit and the screen. Therefore, when the distance of separation between the slit and screen is doubled, the angular separation between fringes remains the same. Answer: remains same

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