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What is the value of ‘a’ in a delta iron lattice?(a) 2.00 Å(b) 2.93 Å(c) 4.00 Å(d) 4.93 ÅI got this question in a national level competition.This is a very interesting question from Cooling Curve for Pure Iron in chapter Heat treatment of Metals and Alloys of Casting-Forming-Welding II

Answer»

The correct choice is (B) 2.93 Å

Explanation: The value of a, which is the distance between two consecutive ATOMS in the lattice, in DELTA IRON lattice is calculated to be 2.93 Å, which is around 2.93 x 10-10 meters.



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