Suppose an electron was bound to a proton, as in thehydrogen atom, but by the gravitational force rather thanby the electric force. What would be the radius, and energy,of the first Bohr orbit?

Q: Given the value of Rydberg constant is 107m−1, the waves number of the lest line of the Balmer…

A: We know that: λ1= R(1/n12−1/n22)

Q: In the hydrogen atom, the quantum number n can increase without limit. Because of this fact, does…

A:

Q: Using the Bohr model, calculate the electric current created by the electron when the H-atom is in…

A: Let v be the velocity of the electron Number of revolutions per unit time = f = 2πa0/v

Q: Consider a hydrogen atom in which an electron is revolving in n=1 orbit with 6.57x105 revolutions…

A: Given:-  n = 1  angular velocity = 6.57 x 1015 revolution /sec  Find:-  The magnetic moment of the…

Q: The wavelenghts of the Lyman series for hydrogen are given by

A: Rydberg equation for hydrogen is 1λ=RH1nf2-1ni2

Q: In accordance with the Bohr’s model, find the quantum number that characterises the earth’s…

A: Here,

Q: From the figure find the shortest wavelength present in the Balmer series of hydrogen, I f R =1.097…

A: R = 1.097×107 m-1(rydberg's constant) To find : The shortest wavelength present in balmer series of…

Q: What is the ratio of the shortest wavelength of the Balmer series to the shortest wavelength of the…

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Q: The wavelength of an electron revolving in the 3rd orbit of Be3+ is 'x' . The radius of first Bohr…

A:

Q: A charged particle is moving in magnetic field on a circular orbit. The magnetic field B is uniform…

A: Let m denote the mass of the charged particle and q denotes its charge. The charged particle moving…

Q: How does Rutherford’s model of the atom account for the back-scattering of alpha particles directed…

A: Given:  Rutherford's model

Q: How many angular momentum of a natural atom if seven equally spaced lines observed in stern Gerlach…

A: In Stern Gerlach experiment, a beam of atoms is ejected. It is deviated by sharp magnetic field and…

Q: Explain how the angular momentum of the electron at n = 4 differs in the Bohr and Quantum Model…

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Q: Show that the speed of the electron in the nth Bohr orbit in hydrogen is given by

A: Step 1According to Bohr, there occurs the quantization of angular momentum or it can be stated as,…

Q: What energy, in eV, is needed for an electron in an hydrogen atom to go from the ground state to the…

A: Given data The initial state of the electron in the atom is n1 = 0. The final state of the electron…

Q: How much the angular momentum of this electron becomes if it absorbed an electromagnetic wave with…

A: The angular momentum of the electron, L=nh2π

Q: Do the Balmer and Lyman series overlap? To answer this, calculate the shortest-wavelength Balmer…

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Q: Derive the Bohr’s quantisation condition for angular momentum of the orbitting of electron in…

A: According to the Bohr's second postulate, an electron's angular momentum can only have values that…

Q: In the ground state of the hydrogen atom, the electron has a total energy of -13.6 eV.What are (a)…

A: a) The required kinetic energy for hydrogen (Z=1) is,

Q: The fine splitting of the energy levels of an atom due to the electron's magnetic moment interacting…

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Q: If the Hydrogen atom haş a quantum number of 3, solve for the energy and radius.

A:

Q: Calculate the deBroglie wavelength of an electron in a triply ionized beryllium atom when it is…

A: Given: e-is orbiting in Be3+atom when n=7 Specified data: h=6.626×10-34 J·s Mass of e-=9.11×10-31 kg

Q: Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is:-

A:

Q: The Bohr model correctly predicts the main energy levels not only for atomic hydrogen but also for…

A: The energy of the nth orbit is

Q: Using Bohr’s equation, calculate the energy change experienced by an electron when it undergoes…

A:

Q: What are the differences and similarities between the quantization of angular momentum in the Bohr…

A: The angular momentum is quantized in both Bohr's theory and Schrodinger theory. According to the…

Q: What is the electric field of a proton at the first Bohr orbit for hydrogen (r = 5.29 × 10−11 m)?…

A: Given Data The radius of hydrogen r = 5.29 x 10-11. The charge proton qp = 1.6 x 10-19 C. The charge…

Q: Show that the speed of the electron in the nth Bohr orbit in hydrogen is given by…

A: Write the expression for radius of the Bohr orbit in hydrogen. r =nh/mun           ……. (1) Here, r…

Q: The Lyman series is brighter than the Balmer series,because this series of transitions ends up in…

A: To explain: The reason that the Balmer series was discovered first.

Q: Calculate the magnitude of the total angular momentum for an electron in a 4d5/2 state.

A: We have an electron which is in a state given by 4d5/2 where n=4 level is the principal quantum…

Q: If an electron is revolving in its Bohr orbit having Bohr radius of 0.529 A, then what is the radius…

A: Radius of Bohr orbit is given by, rn=r∘n2Z   .... 1 where r∘ is Bohr radius           n is orbit…

Q: What are the most significant differences between the Bohr model of the hydrogen atom and the…

A: Bohr model of the hydrogen atom : Bohr model of the hydrogen atom first proposed the planetary model…

Q: In a ground state atom of P how many electrons total will have the quantum number ℓ = 0?

A: Answer The electronic configuration of a neutral atom of Phosphorus is given by P: 1s2 2s2 2p6 3s2…

Q: 4 and 5. (Hint u

A:

Q: Using Bohr’s postulates, obtain the expression for the total energy of the electron in the…

A: Bohr's postulates of hydrogen states three rules  An electron which is negatively charged…

Q: Using the Bohr formula for the radius of an electron orbit,estimate the average distance from the…

A: Given: Atomic number of Uranium Z = 92, orbit n = 1,

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: