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COMEDK Exam 2013 Solved Paper

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Question : 26

Total: 180

A beam of light of wavelength 600‌nm from a source falls on a single slit 1‌mm wide and the resulting diffraction pattern is observed on a sereen 2m away. The distance between the first dark fringes on either side of the central bright fringe is

2.4‌cm
2.4‌mm
1.2‌mm
1.2‌cm

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