Question

a plane parallel to one of the coordinates axes has an intercept of infinity​

Answer 1

Answer:

If a plane is parallel to one of the axes, then it is considered to intersect it at infinity, so the corresponding index is 1/∞, or zero. Also, if a plane has a negative intercept, this is denoted in the index with a bar: i.e., a plane with intercepts of -1, ∞, 1/2 would have a Miller index of 1 ¯ 02 .

Explanation:

Answer 2

$\huge{Answer}$

✔✔A plane which is parallel to any one of the co-ordinate axes has an intercept of infinity (∞) and therefore, the Miller index for that axis is zero.