Solve step by step pleaseTOPIC: ATOMIC PHYSICSUsing the primitive Bohr model, estimate the number of revolutions N made by anelectron around the nucleus in an excited state of the hydrogen atom during its half-life, which is of the order of 10-8 sec. Calculate for the excited state with; (a) n = 2;(b) n = 15; (c) Compare these numbers with the number of revolutions the Earthhas made around the Sun in the 4.5x109 years of its existence.

Given: The half life of electron in an exited state is 10-8 s. To determine: (a) The number of…

Answered: Using the primitive Bohr model,…

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Subject: physics
3. A beam of protons, each with energy E = 20 MeV, falls on a potential step of 40 MeV. Graph the probability of finding protons at values of x> 0, for x = 0 at x = 5 fm (Assume | A|^2 = 1).
Find the relation between spontaneous emission lifetime and cross section for a simple atomic transition.
If someone wanted to build a scale model of the atom witha nucleus 1.00 m in diameter, how far away would the nearestelectron need to be?
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2. a) State the "weakest link rule" for determining the number of significant digits in the resultart uh multiplying or dividing measured values: State the "weakest link rule" for determining the precision of the resultant when adding or subtracting measured values:
The quantum-mechanical treatment of the hydrogen atomgives the energy, E, of the electron as a function of the principal quantum number, n:E=-h²/8π²mₑ²aₒ²n² (n=123...) where his Planck’s constant, meis the electron mass, and a0 is 52.92X10⁻¹² =-m.(a) Write the expression in the form E(constant)=-(constant)1/n² , evalu-ate the constant (in J), and compare it with the corresponding expression from Bohr’s theory.(b) Use the expression to find ΔE between n=2 and n=3.(c) Calculate the wavelength of the photon that corresponds tothis energy change. Is this photon seen in the hydrogen spectrumobtained from experiment
The gravitational attraction between electron and proton in a hydrogen atom is weaker than the coulomb attraction by a factor of about 10-40. An alternative way of looking at this fact is to estimate the radius of the first Bohr orbit of a hydrogen atom if the electron and proton were bound by gravitational attraction. You will find the answer interesting. A B C D The radius of the first Bohr orbit and the estimated size of the whole universe is same. The radius of the first Bohr orbit is much greater than the estimated size of the whole universe. The radius of the first Bohr orbit is much smaller than the estimated size of the whole universe. None of the above.
Physics please provide correct answer with unit and significan digits.
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121. (a) Estimate the ground state energy of an electron in an atom by treating it as if it were in an infinite square well (1D) of width equal to an atomic diameter of 10-10 m. (b) Estimate the ground state energy of an a particle in a nucleus by treating it as if it were in an infinite square well (1D) of width equal to a nuclear diameter of 10-14 Estimate the ground state energy of an electron in a nucleus by treating it as if it were in an infinite square well (1D) of width equal to a nuclear diameter of 10¬14 m. m. (c)

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