A youngs double slit experiment uses a monochromatic source. The shape of the interference fringes formed on the screen is :
A
linear
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B
parabolic
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C
hyperbolic
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D
circular
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Solution
The correct option is A linear The light passing through the slits is observed on a screen behind the plate. The wave nature of light causes the light waves passing through the two slits to interfere, producing bright and dark bands on the screen. Thus these bands on the screen are straight lines.