Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Dr suman 1 Best Answer
it means that when an crystal structure is cold or heated then it's modify its crystal structure. In in the given questions when fcc structure is cooled to its room temperature then it transformed into orthorhombic structure.