Calculate the distance between (111) planes in a crystal of Ca. Repeat the calculation for the (2 2 2) planes. Which planes are closer?

Explanation

To calculate the distance between the (111) and (222) planes in a crystal of calcium (Ca), we can use the formula for the interplanar distance \( d \) for cubic crystals, which is given by:

\[ d = \frac{a}{\sqrt{h^2 + k^2 + l^2}} \]

where:
- \( d \) is the distance between the planes,
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