Consider the following decay: 236 Np 232 Pa + a. 236 Np has a mass of 236.04657 u, 232 Pa has a mass of 232.038592 u, a...
Consider the following decay: 23191 Pa → 22789 Ac + α. 23191 Pa has a mass of 231.035884 u, 22789 Ac has a mass of 227.0277521 u, and α has a mass of 4.002603 u. Determine the disintegration energy (Q-value) in MeV. Q = Determine the KE of the daughter in MeV. KED = Determine the KE of the α particle in MeV & as a factor of Q. KEα = KEα = Q× Determine the speed of the α particle...
Thorium (with half-life T1/2 = 1.913 yr. and atomic mass 228.0287 u) undergoes alpha decay and produces radium (atomic mass 224.0202 u) as a daughter nucleus. (Assume the alpha particle has atomic mass 4.002603 u.) 1) What is the decay constant of thorium? (Note that the answer must be in units of hrs-1.) λ = 2) What percent of thorium is left after 200 days? 3) The energy released from the decay of 10 g of thorium is used to...
20. A charged particle has a charge of q+2e and a mass of 4.00 u, where u is the atomic mass unit, with 1u 1.661x10-27 kg. Suppose the charged particle travels in a circular path of radius 4.50 cm in a uniform magnetic field with B1.20 T. Which of the following is TRUE? A) The particle's speed is 1.30x105 m/s B) The period of revolution is 0.409 us. C) The particle's kinetic energy is 0.140 MeV. D) The particle has...
state the equation that you use Semiconductor Germanium has a density of 5323 a. cm- and atomic mass of 72.63u. If we assume that Germanium can contribute 1 conducting electron per atom, calculate the maximum number of conducting electrons in a silicon sample of 2cm X 10cm X 10cm. E1, frd = eftew+1E2, ~êr = ()**; Superconductor E3, M05T, = constant; E4, E,0) = 3.54k87c; E5, E,(T) = 1.74E,(0)(1-3)*; E6, critical magnetic field B.(T) = B_(0)(1-). Order of energy of...
2. Cirele the designator in front of the most correct answer from the list following each question or statement. (a) Classically, a particle of mass 1 u that has a kinetic energy of 0.5 MeV has what momen- tum? [10 points i. 1.631 x 10-20 kg m-1 ii. 1.631 x10-10 kg m s-1 ii. 3.262 x 10-20 kg m -1 iv. 3.262 × 10-10 kg m s-1 . 1.00 kg m s-1 (b) What is the mean free path length...