CBSE Class 12-science Answered
please tell me the final formula of fringe width in diffraction pattern?
Asked by Sheetal M G | 30 Mar, 2013, 04:37: PM
Expert Answer
In single slit,
d sin(?) = n ?
where,
d = size of slit
? = angle of light coming from slit with the axis
n = order of fringe
? = wavelength
and fringe width, D
D/2L = tan (?)
where L = distance of slit with the screen
Answered by | 30 Mar, 2013, 11:05: PM
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