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For a cubic crystal structure which one of the following relations

For a cubic crystal structure which one of the following relations indicating the cell characteristics is correct?

Options

(a) a ≠ b ≠ c and α = β = γ = 90⁰
(b) a = b = c and α ≠ β ≠ γ = 90⁰
(c) a = b = c and α = β = γ = 90⁰
(d) a ≠ b ≠ c and α ≠ β and γ ≠ 90⁰

Correct Answer:

a = b = c and α = β = γ = 90⁰

Explanation:

For a cubic crystal, a = b = c and α = β = γ = 90⁰

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