Atomic Physics » Exercise - 124. The value of 1 electron volt = ............... J. (a) 1.6 x 1019 J (b) 1.6 x 10–19 J (c) 1.6 x 1020 J (d) 1.6 x 10–20 J
Atomic Physics » Exercise - 113. If the radius of a nucleus of mass number 3 is R. then the radius of a nucleus of mass number 81 is : (a) 3R (b) 9R (c) 27R (d) 81R