Subject: Physical Chemistry · Chapter: Solid State Chemistry · Topic: Solid State – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Medium
The X-ray powder pattern of NaCl shows an intense cone at $\theta=15.87^{\circ}$ using X-rays of wave length $1.54 \times 10^{-8}$ cm. The spacing between the planes (in $\AA$ ) of NaCl crystal is