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AP EAMCET202418 May 2024Morning ShiftPhysicsWave OpticsActual

In young's double slit experiment with monochromatic light of wave length 6000 Å . The fringe width is 3 mm . If the distance between the screen and slits is increased by. 50 % and the distance between the slits 1 s decreased by 10 % , then the fringe width is

Options

  1. A12 mm
  2. B5 mm
  3. C6 mm
  4. D10 mm

Correct answer

B. 5 mm

Step-by-step solution

In YDSE, ₁= D d =3 ~mm aligned & ₂= (1.5 D ) (0.9 ~d ) = 5 3 D d = 5 3 ₁ & ₂= 5 3 3=5 ~mm aligned

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