1.

A beam of light of wavelength 600 nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between the first dark fringes on either side of the central bright fringe is   [IIT-JEE 1994; KCET 2004]

A. 1.2 mm 
B. 1.2 cm
C. \[0.2\,\,{AA}\] 
D. 2.4 mm
Answer» E.


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