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Problem 20: The finite size of the proton perturbs the energy of the n = 1 orbit in a hydrogen atom.
(i) Given the proton to be a uniformly charge sphere of radius R = 1 fm, determine the first order energy shift, making reasonable approximations. How accurate should the first order theory be in this case?
(ii) Do the calculation again for the hypothesis that the nuclear charge is uniformly distributed over the surface of a spherical shell of radius R.
(iii) Once again do the calculations for a muon (mass = 106 MeV/c2) in orbit around Pb nucleus (Z = 82, A = 207) with uniform and spherical-shell charge density distributions. Assume the nuclear radius scales like R ~ A1/3. How accurate should the first order theory be in this case?
Explain what the value of the standard error of the mean indicates about the true value of the measurement if it is assumed that the variation is due only to random variation
Determine the characteristic curves for the fan and define Kirchoffs first and second laws - determine the pressure to be developed by a single mine fan to ventilate the workings.
Knowing that the drill exerts a 12 N m · couple on the piece of plywood, determine the magnitude of the resulting forces applied to the nails if the are located
Does the following game has pure strategy nash equilibrium? Does it has mixed strategy nash equilibrium - How many units should Green Thumb manufacture for sale? What is the expected profit from this policy?
A solid cubical block of side length 0.6 m is suspended from a spring balance. When the block is in water, the spring balance reads 80% of the reading when the block is in air. Determine the density of the block.
biometrics verification is just one way companies are using technology to help. this week we will discuss biometric
Define the aircraft axes and degrees of freedom. Analyse the different maneuvers that can be done by an aircraft.
To examine the relationship between fermenter design and operating conditions, oxygen transfer capability and microbial growth.
State the selection criteria of the chosen materials taking into account the material properties, their cost and their suitability for manufacture - Detail the appropriate properties and criteria for the selection of a metallic, ceramic, polymer an..
Develop a simple canvas animation of your own design. For example, you could rotate the four smaller solid circles around the red hollow circle using trigonometry (sin and cos)to locate the x,y coordinates of the circles at different angles.
It is stated that multiprogramming and multiprocessing present the same problems, with respect to concurrency. This is true as far as it goes. However, cite two differences in terms of concurrency between multiprogramming and multiprocessing.
Problem 1: State the full name of the section of SOLAS that sets out the minimum standards for the training and competence of crew members.
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