Two edge dislocations of the same sign and same burger’s vector lie – McqOptions

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1.	Two edge dislocations of the same sign and same burger’s vector lie on above the same slip plane. If the energy of each dislocation is Q, what will be the difference in the total energy of two dislocations, when they are separated and when they are combined?
A.	0
B.	Q
C.	2Q
D.	4Q
Answer» D. 4Q

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