(a) The lifetime of a highly unstable nucleus is 10−20 s . What is the smallest uncertainty in its decay energy? (b) Compare this with the rest energy of an electron.

Q: (a) The x-coordinate of an electron is measured with an uncertainty of 0.30 mm. What is the…

A: Part (a) Given: The uncertainty in position co-ordinate of electron is ∆x=0.30 mm. The minimum…

Q: The energy of the four non-interacting identical fermions and bosons in one dimensiona! box of size…

A: Energy on particle in a box En=n2ℏ2π22ma2

Q: A neutron with a potential energy of U = 0 is represented by the wave function y = Ae(kx - ot) where…

A: (a) Given: The potential energy of the neutron is U=0. The wave function is ψx=Aeikx-ωt. The value…

Q: c) Electrons of energy 1 GeV are scattered off the nuclei, 64Cu, 108Ag and 197 Au. The first…

A:

Q: Alpha particles of mass  m = 6.64 ✕ 10−27 kg  and kinetic energy K = 905 keV are projected at a…

A: Here is the step-by-step explanationStep 1: Convert the kinetic energy (K) from keV to…

Q: Using Heisenberg’s uncertainty principle, calculate the uncertaintyin the position of (a) a 1.50-mg…

A: a) Mass of mosquito (m) = 1.50 mg = 1.5×10-6 kg speed (v) = 1.40 m/s uncertainity in speed (∆v) =…

Q: (d) volume (e) Show that the total number of photons per unit at temperature Tis kT N' = 8π hc.…

A:

Q: of the oscillator to occupy the third ener

A: The energy levels of an oscillator are given as Here, The oscillator probability to occupy nth…

Q: Note that a thermal neutron is a neutron whose most probable kinetic energy is ~ 0.025 eV. What is…

A: The de Broglie wavelength of a thermal neutron can be found using λ=h2mE Where,  m = mass of a…

Q: Nuclear radii may be measured by scattering high-energy electrons from nuclei. (a) What is the de…

A:

Q: Line XY was measured by four parties A, B, C, D. Each party has two measurements as follows: Trial…

A: In this question we have been given the lengths measured by four different parties and we have to…

Q: The velocity of a proton in an accelerator is known to an accuracy of 0.250% of the speed of light.…

A: Mass of proton The uncertainty in the velocity of proton is of the speed of light..The speed of…

Q: As a scientist in a nuclear physics research lab, you are conducting a photodisintegration…

A: To find the correct answer is given below,

Q: The mean free path length of a 0.7-MeV photon in lead is closest to which of the following?…

A: Given: E=0.7 Mev =7,00,000 eV

Q: Lunar astronauts placed a series of cube reflectors on the Moon as part of an experiment to mea-…

A: