1.

If a white light is used in Young?s double slit experiments then a very large number of coloured fringes can be seen  [KCET 2001]

A. With first order violet fringes being closer to the central white fringes
B. First order red fringes being closer to the central white fringes
C. With a central white fringe
D. With a central black fringe
Answer» D. With a central black fringe


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