Light is incident normally on a diffraction grating through which the first order diffraction is...

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Light is incident normally on a diffraction grating through which the first order diffraction is seen at \( 32^{\circ} \). The second order diffraction will be seen at
(A) \( 48^{\circ} \)
(B) \( 64^{\circ} \)
(C) \( 80^{\circ} \)
(D) There is no second order diffraction in this case.
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