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Question
In double slit experiment, for light of which colour, the fringe width will be minimum?
In double slit experiment, for light of which colour, the fringe width will be minimum?
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Solution
The correct option is A Violet
β∝λ.∴λv= minimum.Correct answer is violet, as it has minimum wavelength . Fringe width is directly proportional to the wavelength. So, purple or violet has the minimum fringe width whereas red has maximum fringe width.
β∝λ.
∴λv= minimum.
Correct answer is violet, as it has minimum wavelength . Fringe width is directly proportional to the wavelength. So, purple or violet has the minimum fringe width whereas red has maximum fringe width.
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