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Physics Class 12
Solutions to CBSE Sample Paper - Physics Class 12

In a Young’s double slit experiment, the path difference at a certain point on the screen between two interfering waves is 𝟏/𝟖th of the wavelength. The ratio of intensity at this point to that at the centre of a bright fringe is close to


  1. 0.80
  2. 0.74
  3. 0.94
  4. 0.85



(iv) 0.85

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.