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Find the intensity at a point on a screen in Young's double slit experiment where the interfering waves of equal intensity have a path different of                                                  (2 marks)

(i) λ/4, and (ii) λ/3.               

Path difference λ4phase difference π2 Path difference λ3phase difference 2π3                   12 marks                    I=4Io cos2ϕ2                                                12 marks                                                          i  I1=4IoX12=2Io                                                          12  marks                                                              ii  I2=4IoX14=Io                                                            12  marks                                                           

Difficulty Level:

  • 57%
  • 27%
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