Q1 :- Calculate the ratio of spontaneous and stimulated emission light of wavelength ( 590 nm ) at room temperature(300Ko ), and show that : 1. The equilibrium populations of levels energy of this transition? 2. At what temperature is the rate stimulated emission is equal to the rate spontaneous emission?

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A: In our case given, Kinetic energy of electron, KE =qVGiven voltage difference, V= 4.50 x 103 voltsWe…

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Q: Q 22. In a photochemical reaction A → B + C , the quantum efficiency with 500 nm light is 1.2×…

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Q: a) An electron is accelerated through a potential difference of 55kV. After striking a target…

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Q: To excite an electron in a one-dimensional box from its first excited state to its third excited…

A: Energy required, ∆E=17eV=17×1.6×10-19J

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A: As per guidelines, allowed to answer one question at a time. The light emitted by the…

Q: P1) a) Using Numerov method (in an excel sheet), solve Schrodinger's equation for a particle in an…

A: Using Numeric method to solve the schrodinger equation

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

A: X-ray.

Q: JC-26) The Compton Effect Gamma rays emitted by radioactive decay also exhibit measurable Compton…

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Q: The light of the "alpha line" in the Balmer series of the hydrogen spectrum has a wavelength of 6.58…

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Q: Exercises 1. prove that P = ho x C' , 2. If +² = A 2¹kx find the normalizing Constant. an Ê = ik at…

A: Prove that If , find the normalizing constant.Determine the wavelength associated with an electron…

Q: tel state can be lonized ergy level n og an electror an ionize it?

A: Ionization  energy of an electron in hydrogen atom is 13.6 ev Given, energy less than  0.825 ev can…

Q: Q.2: Calculate the longest wavelength for electron revolving in the fifth excited silicon atom,…

A: Wavelength can be calculated by using the equation, 1λ = R132-152Where R is the Rydberg constant…

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Q: Suppose that you have 1 mol of hydrogen atoms in the ground state. If the atoms are irradiated with…

A: Given, Total number of mole of hydrogen atom is, N = 1 Then total number of hydrogen atom in 1 mole…

Q: angle compton shift become maximum. P

A: The Compton effect is a mechanism in which electrons collide and are dispersed by x-rays. The…

Q: Integrated ConceptsA neighboring galaxy rotates on its axis so that stars on one side move toward us…

A: Given: The speed of stars is v=200 km/s. The wavelength of line in Balmer series is λ=656.0 nm.…

Q: quantum mechancis-grffths Assume the two-particle system of the earth and the sun, where there is…

A: The amount of work required to move an object of unit of mass from infinity to a precise position in…

Q: QIA: for unpaired free electron in Electron paramagnetic resonance (EPR) spectroscopy if Landé…

A: Electron Paramagnetic Resonance (EPR) or Electron Spin Resonance (ESR) is a type of magnetic…

Q: Q1A: for unpaired free electron in Electron paramagnetic resonance (EPR) spectroscopy if Landé…

A: The Lande g-factor is given as, g=2.0023 The Bohr magneton value is given as, μB=9.274×10-24 J/T The…

Q: Calculate the energy possessed by a soccer player of mass 60 kg moving around the field at a speed…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Write an equation for the wavelength of Paschen series in helium atom.

A: The Rydberg formula for wavelength in helium atom is: Here,

Q: A nucleus has an excited level 13.26 keV from the fundamental level. The transition between the two…

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Q: Particle Physics  diagram of the Fundamental Vertices for a photon, W (+-), strong and Z.

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Q: Particle Physics  diagram of the Fundamental Vertices for a photon, W (+-), strong and Z.

A: Feynman Diagrams are a pictorial representation of particle interactions. A Feynman diagram consists…

Q: For potassium, find the critical frequency fo of the incident light below which no electrons are…

A: Work function (is constant for a metal) of potassium, W = 2.30 eV = 2.30×1.6×10-19 J From Einstein…

Q: A PMT contains 11 dynodes. If 1 photon strikes the photocathode, how many electrons reach the anode?…

A: solution the given data are below  number of dynodes d=11 number of photons p=1 let a is number of…

Q: In a potential barrier of height Vo and width a, the first two resonances of an electron are…

A: The energy of the first resonance, E1 is 10.0 eV. The energy of the second resonance, E2 is 12.0 eV.…

Q: Session 19464797 multiple choice question = R 2 A 1 B. 2 In the equation above, which value of n'…

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Q: plz with reason  3- Dark current increases the sensitivity of the photodiode to light a. True b.…

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Q: From Bohr's atomic model, write an equation giving the wavelength emitted when an electron passes…

A: To write an equation giving the wavelength emitted when an electron passes from a ni level to an nf…

Q: 4. What is the Duane Hunt maximum x-ray frequency of a excitation voltage V = 6kV ?

A: Given that, Voltage, V=6 kV =6×103 V The maximum frequency in Daune Hunt X-ray is fmax=evh…

Q: The work function for platinum is 1.02-18 What would the kinetic energy of an electron ejected from…

A: Given: The work function of the platinum is 1.02x10-18 J. The wavelength of the light is 100 nm.

Q: directed on the surface of a crystal. The intensity of electrons detected at various angles of…

A: GivenIn a Davisson-Germer experiment, the electric current detected at various angles of deflection…

Q: The threshold frequency vo describes the smallest light frequency capable of ejecting electrons from…

A: Use Einstein's photo electric effect equation

Q: Question 6 A red laser with wavelength 633 nm emits 1.92kW of power. The number of photons emitted…

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Q: Problem 15 Suppose that attenuation is measured for 60-keV photons passing through water in such a…

A: Given, Incident photon energy is 60keV So Compton cross-section at this energy is σc=5.29×10-29m2…