Consider the following four transitions in ahydrogen atom:(i) ni = 2, nf = 6 (ii) ni = 2, nf = 8(iii) ni = 7, nf = 8 (iv) ni = 6, nf = 2Find (a) the longest- and (b) the shortest-wavelength photon thatcan be emitted or absorbed by these transitions. Give the valueof the wavelength in each case. (c) For which of these transitionsdoes the atom lose energy? Explain.

Q: a)  Calculate the energy of the emissive transition with the lowest energy possible for the Lyman…

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Q: H-atom. The wave function of one of the electrons in the 2p orbital is given by (ignoring spin) r…

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Q: (c) Explain how laser beams can be used to cool a gas of alkali atoms.

A: "Since you have asked multiple questions, we will solve the first question for you as per Bartleby…

Q: The hydrogen emission spectrum exhibits a line at 5.0010×10-19 J. If the final quantum state is n =…

A: Energy of transition for an atom is given by: ΔE = R(1/nf2 - 1/ni2) where, ΔE = energy released R=…

Q: Using the n value solved in part(a), calculate the maximum speed of the photoelectron from…

A: Given: The threshold frequency of potassium is 5.464×1014 s-1. Introduction: The photoelectric…

Q: Kα X-ray lines are emitted from a target with atomic number Z when an electron jumps down from n = 2…

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Q: Find for the 1s-electron of the hydrogen atom its most probable distance from the nucleus 'pr and…

A: The most probable distance is where the probability of finding the electron is maximum. It is found…

Q: exact value of s for significant figure purposes, 24 x 103 eV n . nm (three $). If the electron in a…

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Q: An alkali metal atom is in the ground state. The orbital angular momentum equals zero and the spin…

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Q: An infrared spectroscopy study of a diatomic molecule XY has given the following information: We…

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Q: Compute the change in wavelength of the 2p → 1s photon when a hydrogen atom is placed in a magnetic…

A: Spectral lines are formed due to electron transitions inside an atom. It was observed that when the…

Q: B) A Hydrogen atom initially in its third level, emitted a photon and ends down in its ground state.…

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Q: v) A source emits ultraviolet light of wavelength 96 nm. Could light of this wavelength be emitted…

A: When an atom absorbs energy, its electrons move to a higher energy level. When the electrons return…

Q: raw a neat Tab energ rgy iagram for Hydrogen atom, showing Balmer nd Paschen series. ind the mass of…

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Q: A lithium atom has mass 1.17 * 10-26 kg, and a hydrogen atom has mass 1.67 * 10-27 kg. The…

A: The reduced mass is given by…

Q: Cesium has a work function of 2.14 eV. What is the wavelength (nm) of a photon with the threshold…

A: Work function (Wo) = 2.14 eVKinetic energy of ejected electron,      KE = 580.89 nm

Q: ] What is the wavelength of the line corresponding to the n-5 to n=3 transition of the hydrogen…

A: Given: Energy Levels to be n=5 and n=3 Rydberg's equation will be used to calculate the Wavelength

Q: a) The Balmer series consists of transitions in hydrogen from higher states where n > 2 to the n = 2…

A: Given: Balmer series of hydrogen atom  To Find: (a) Equation: 1λ=R122-1n2 (b) Light emitted in Hα…

Q: How does the answer to the previous question change if instead of a single jump from state n= 6 to…

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Q: Consider the spectral line of shortest wavelength corresponding to a transition shown in the figure.…

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Q: 3. Starting from a thermal energy of phonon in the integral form 3πt -nD ħwn 2 [exp(hwn/t)-1]. /0 S…

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Q: (a) The L→ K transition of an X-ray tube containing a molybdenum (Z = 42) target occurs at a…

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Q: (a) The Lyman series in hydrogen is the transition from energy levels n = 2, 3, 4, ... to the ground…

A: a) Given For the Lyman series in a Hydrogen atom The energy of each level is En=-13.6eVn2 So when an…

Q: If the element in the last problem has energy levels E, = 2.54 x 10 18 J and E2 = 2.2 x 10 18 J,…

A: E1 = 2.54×10-18 J E2 = 2.2×10-18 J difference of energy levels = E1 - E2= 2.54×10-18 -  2.2×10-18 J=…

Q: Calculate the X - ray angle for Si ( 111 ) and ( 200 ) peak , giving the lattice parameter of Si is…

A: Silicon (Si) has a face centred diamond cubic crystal structure. For cubic lattice, the interplanar…

Q: The wavelengths of the Lyman series for hydrogen are give = RH(1-1/2), n = 2, 3, 4, ... For the…

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Q: 1. An orthorhombic crystal with lattice parameters a = 0.32 nm, b= 0.27 nm and c= 0.5 nm is…

A: First, we need to calculate the wavelength of the electron beam using the de Broglie equation, which…

Q: Figure below shows electron energy levels in a hydrogen atom. The arrows show four possible…

A: We have to use some basic formula here

Q: Q5: Determine the frequency of the wave length which emitted from an atom has an electron transited…

A: Frequency is, f=cλ

Q: What is the energy of the photon that, when absorbed by a hydrogen atom, could cause an electronic…

A: Energy required (E) to jump a electron from n1 to n2 is given by E= Rhc(1/n1² - 1/n2²)    n1= 3…

Q: onsider the electron of a Li2+ ion that undergoes a transition from a higher energy state n to its…

A: Given: The threshold potential of potassium is 5.464×1014 s-1. Introduction: The photoelectric…

Q: Explain how the closely spaced energy levels for hydrogennear the top of Fig. 27–29 correspond to…

A: The closely spaced energy levels correspond to the different transitions of electrons from one…

Q: = Find the energy of the photon released in the transition from n₁ for a hydrogen atom. (Note: Use…

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Q: Figure below shows the energy levels of a hydrogen atom. Which transition produces radiation of…

A: Bohr gave the atomic model and established that electron revolves around the nucleus in circular…

Q: A photon can excite a hydrogen atom makes a from the n = (2.0000x10^0) state to the n = (8.00x10^0)…

A: Have a look dear

Q: The energy difference between the 1st excited state (n = 2) and the 2nd excited state (n = 3) in the…

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Q: While most transition metals have work functions corresponding to photon frequencies that are larger…

A: The energy of a photon is given by, E=hcλ Here h is Planck's constant, c is the velocity of light,…

Q: In the Balmer series, for the Hydrogen atom, a weak transition is observed at 397nm. the value of…

A: Lambda = 397 nm Li2+Z=3 for Li2+

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: