Wave OpticsHard
Question
If the source of light use in a Young′s double slit experiment is changed from red to violet :
Options
A.The fringes will becomesbrighter
B.consective fringes will comes closer
C.the intesity of minima will increase
D.central fringe- will become a dark fring
Solution
The distance of nth fringe is given by yn = 
As λviolet < λred,
∴ Fringes will come closer.
As λviolet < λred,
∴ Fringes will come closer.
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