At 1100'c. 1 out of 10^8 atoms and at 1200'c 1 out of 10^7 atoms have approximately the required energy for movements within solid.
K= 8.617* 10^5 ev/k.
1.what is the activation energy for this solid?
2. At what temperature will 1 out of 10^5 atoms have the required amount of energy for movement?