For a crystal,the first-order Bragg reflection of $X$-rays with a wavelength of $2.29 \times 10^{-10} \ m$ occurs at an angle of $27^\circ 8'$. Calculate the distance between two parallel planes.
- A$2.5 \times 10^{-8} \ m$
- B$2.5 \times 10^{-10} \ m$
- C$3.5 \times 10^{-10} \ m$
- D$4.5 \times 10^{-10} \ m$
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