Find the minimum voltage necessary to generate the K radiation of Mo.

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

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

Q: When UV light of wavelength 255 nm falls on a metalsurface, the maximum kinetic energy of emitted…

A: incident wavelength = 255 nm  Kinetic energy = 1.4 eV

Q: Explain why characteristic x rays are the most energetic in the EM emission spectrum of a given…

A: The electromagnetic radiation is emitted by an atom when an inner shell vacancy is filled is called…

Q: What is the longest-wavelength EM radiation that can eject a photoelectron from silver, given that…

A: The binding energy,

Q: When a wide spectrum of light passes through hydrogengas at room temperature, absorption lines are…

A: When a wide spectrum of light passes through hydrogengas at room temperature, absorption lines are…

Q: Light of wavelength 191 nm is shone on copper, which has a work function (or binding energy) of 4.94…

A: The maximum kinetic energy of the electrons can be given by Kmax=hf-ϕ Also, Kmax=12mvmax2

Q: Find the quantum number corresponding to the excited state of He* , if on transition to the ground…

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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: Let’s consider the DeBroglie principle for electron microscopy. In electron microscopy, the energy…

A:

Q: In accordance with the Boh find the quantum number t

A: Givenr=1.5×1011 mv=3×104 m/sm=6×1024 kg

Q: Show that the following 4 lines in the Lyman series can be predicted: 91.127, 97.202, 102.52, and…

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Q: Elaborate the importance of Angular momentum in Quantum Mechanics. Prove that the component of…

A: Solution:

Q: Suppose the fractional efficiency of a cesium surface (with work function 1.80 eV) is 1.0 * 10-16;…

A:

Q: A beam of 7.7-MeV a particles scatters from a gold foil of thickness o 0.32 μm. What fraction of the…

A: Given : The energy of α particles = 7.7Mev  thickness of gold foil = 0.32μm

Q: Draw a plot showing the variation of de Broglie wavelength of electron as a function of its K.E.

A: The de Broglie wavelength is given by  λ =hp where, p is the momentum

Q: Prove that the energy of a trapped particle is quantized. Find the possible relations.

A: The particle in the box model system is the simplest non-trivial application of the Schrödinger…

Q: Given that a photon is absorbed when the electron makes a transition from n=2 to r level. Determine…

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Q: Tungsten target has a work function of 4.63ev. The electron acceleration voltage is 35kv, what is…

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Q: A 50 cm long dipole is excited by a sinusoidally varying current with an amplitude I0 =5 A.…

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Q: What is the kinetic energy of an electron (in eV), if its de Broiglie wavelength is 8.08 Å? Answer:

A: Given: The de Broglie wavelength is 8.08 Ao.

Q: What is the radius for an electron having total energy of -3eV in the third energy level?

A:

Q: A sample of an element is placed in a magnetic field of B = 0.3 Tesla. What is the distance…

A: Write the expression for the Bohr magneton. Here, e represents the charge of an electron, h…

Q: What minimum accelerating voltage would be required to produce an x-ray with a wavelength of 0.0380…

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Q: Find the minimum wavelength for x-ray with a) 35 kV and b) 45kV voltages.

A: Given data :- a) 35 kV  b) 45 kV

Q: What is the maximum kinetic energy of electrons knocked out of a thin copper foil by Compton…

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Q: The “work function” of the metal lithium is 4.6x10-19 J. If irradiated with light of frequency…

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Q: *Etample:1 An x-ry tabe is opunating at So co, a what is the marimum energy gained by elichrons? E…

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Q: Is the angular momentum of alpha-particles in Rutherford scattering conserved?

A: In the process of Rutherford scattering, the force acting on the alpha particle is electrostatic…

Q: The work function for tungsten (W) is 4.52 eV. What is the maximum Kinetic Energy of emitted…

A: Given :The work function for tungsten (W) is 4.52 eV.wavelength λ = 200 nm

Q: Radiation of wavelength A = 290 nm falls on a metal surface for which the work function is W = 4.05…

A: Given Data : The work function is given as W = 4.05 eV. The wavelength is given as λ=290 nm×10-9 m1…

Q: What is the work function for the metal (in eV), if the maximum wavelength of light to produce…

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Q: Find the minimum wavelength for x- ray with a) 35 kV and b) 45kV voltages.

A: a) V =35kV =35000V The minimum wavelength, λmin=hceV where h is the Planck's constant =6.626×10-34…

Q: The characteristic K¸ and K, lines for chromium have wavelengths of 0.229 nm and 0.208 nm,…

A: Let ΔEα and ΔEβ denote the energies for the characteristics Kα and Kβ lines, λα­ and λβ denote the…

Q: Do the unit conversions necessary to show that hc = 1240 eV ⋅ nm, as stated in the text.

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Q: (a)aCalculate the velocity (in m/s) of an electron that has a wavelength of 8.76 µm.   (b) Through…

A: Data Given ,  Mass of electron ( me ) = 9.109 × 10-31 kg Wavelength ( λ ) = 8.76 µm = 8.76 × 10-6 m…

Q: Find the energy levels of a particle of mass m moving in a potential V(r)=6r^4 using the Bohr…

A: Potential function V(r) = 6r⁴ Mass of particle = m Bohr Quantization Condition: An electron can…

Q: Discuss the similarities and differences between the photon and the Z 0 in terms of particle…

A: In terms of particle properties, photon and Z0 is that both are from the boson family of fundamental…

Q: What is the longest wavelength of light that will emitelectrons from a metal whose work function is…

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Q: What are the approximate energies of the Kα and Kβ x rays for copper?

A: