A slit of width a is illuminated by light of wavelength λ. The linear separation between 1st and 3rd minima in the diffraction pattern produced on a screen placed at a distance D from the slit system is _____.
Held on 4 Apr 2026 · Verified 6 Jul 2026.
aDλ
1.5aDλ
2aDλ
3aDλ
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