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In the Diffraction Pattern Due to a Single Slit of Width 'd' With Incident Light of Wavelength 'λ', at an Angle of Diffraction θ. the Condition for First Minimum is - Physics

In the diffraction pattern due to a single slit of width 'd' with incident light of wavelength 'λ', at an angle of  diffraction θ. the condition for first minimum is ....

(a)`lambda sin theta =d`

(b) `d costheta =lambda`

(c)`d sintheta=lambda`

(d) `lambda cos theta=d`

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Solution

(c) `d sintheta=lambda`

Concept: Fraunhofer Diffraction Due to a Single Slit
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