NPTEL IIT Guwahati

Now for equation

Width of central maxima

This is the extent to which the light is distributed before diminishing first time. For a given D, ( ). 2y₁ varies as . Further for a given , y is small if 'd' is large and vice versa. Also if 'd' is fixed, y is small if is small.


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	Now for equation Width of central maxima This is the extent to which the light is distributed before diminishing first time. For a given D, ( ). 2y₁ varies as . Further for a given , y is small if 'd' is large and vice versa. Also if 'd' is fixed, y is small if is small.

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