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Figure shows a Young’s double slit experiment setup. The source of wavelength oscillates along axis according to the equation , where is in millimeters and is in seconds. The distance between two slits and is .

(a)
The position of the central maxima as a function of time is
(b)
The position of the central maxima as a function of time is
(c)
instant at which maximum intensity occurs at for first time is
(d)
The instant at which maximum intensity occurs at for first time is

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Important Questions on Waves
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The equations of two waves are given by :
These waves are simultaneously passing through a string. The amplitude of the resulting wave is :

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HARD

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(Acceleration due to gravity )

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