The fringe width (β) of a diffraction pattern and the slit width d are related as;
Answer & explanation
Correct answer: option 2
fringe width β = \(\frac{Dλ}{d}\)
so β ∝ 1/d
The fringe width (β) of a diffraction pattern and the slit width d are related as;
Correct answer: option 2
fringe width β = \(\frac{Dλ}{d}\)
so β ∝ 1/d