1) Bragg's law is given by which of the following equation? A) $n\lambda = 2\theta\sin\theta$ B) $n\lambda = 2d\sin\theta$ C) $2n\lambda = d\sin\theta$ D) $ n\frac{\theta}{2} = \frac{d}{2}\sin\theta$ Answer: Option BExplanation:$n\lambda = 2d\sin\theta$