Q96 · CSIR-NET Chemistry, June 2016

Paper: CSIR-NET June 2016 · Subject: Physical Chemistry · Chapter: Solid State Chemistry · Topic: Solid State Chemistry – General · Marks: 2 · Difficulty: Easy

In a cubic crystal, the plane [100] is equally inclined to the planes
(a)[010] and [011]
(b)[010] and [110]
(c)[001] and [101]
(d)[110] and [011]
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
(100) makes 90° with both (010) and (011) (cos = h·h′ + … = 0 for each); with (110) the angle would be 45°.

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