If plane (1) contains 5 B-atoms per metre square, calculate the number – McqOptions

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1.	If plane (1) contains 5 B-atoms per metre square, calculate the number of atoms that will jump from plane (1) to (2) in 1s? (Assume that on average, an interstitial atom jumps 6 times per second)
A.	5
B.	6
C.	1
D.	2
Answer» B. 6

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