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In Young’s double slit experiment, the wavelength of the light used is doubled

In Young’s double slit experiment, the wavelength of the light used is doubled and distance between two slits is made half of initial distance. The resultant fringe width becomes

Options

(a) 2 times
(b) 3 times
(c) 4 times
(d) Half

Correct Answer:

4 times

Explanation:

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