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A slit of width a is illuminated by light of wavelength \(\lambda\) The linear separation between \({1}^{st}\) and \({3}…

Q1

A slit of width a is illuminated by light of wavelength \(\lambda\) The linear separation between \({1}^{st}\) and \({3}^{rd}\)minima in the diffraction pattern produced on a screen placed at a distance D from the slit system is ____.

[04 April, 2026 (Shift-I)]

a

\(\frac{D\lambda }{a}\)

b

\(1.5\frac{D\lambda }{a}\)

c

\(2\frac{D\lambda }{a}\)

d

\(3\frac{D\lambda }{a}\)

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