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please tell me the final formula of fringe width in diffraction pattern?

Asked by Sheetal M G 30th March 2013, 4:37 PM
Answered by 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 Expert 30th March 2013, 11:05 PM
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