Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?   A. Pressure and Young's modules B. Planck's constant and Angular momentum C. Impulse and moment of force D. Force and rate of change of linear momentum

Q: The Doppler effect phenomenon in atomic spectroscopy is the basis for: A. background noise…

A: In atomic spectroscopy, the width of the line are very important. narrow lines are prefer over dark…

Q: 1. what phase of matter have particles  close together but are not held rigidly? 2. what phase of…

A: (Since there are multiple questions posted, we will answer the first question for you. If you want…

Q: A certain atom has an electron at energy level E2 = -3x10-19 J. An electron cascades from its…

A: Given data The energy level of the electron of an atom is E2 = -3 x 10-19 J The energy level at…

Q: Which of the following is the result of removing an orbital electron in the K, L, or M shell by a…

A: Characteristic radiation takes place when the incoming electrons collide with the electrons within…

Q: When an electron moves from the n=5 orbit  to the n=4 orbit of a hydrogen atom, a photon of light is…

A: Initial orbit = n = 5  Final orbit = n =4  Energy of the photon = E =???  Frequency of the radiation…

Q: Compton effect. is the scattering of a photon by a charged particle, usually an electron. C. Not…

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Q: 7. Write the expressions for momentum vector (k), wave function Y (x) and energy of electrons that…

A: The expression for momentum vector, wave function and energy is to be evaluated. -h28π2md2ψdx2+V(x)…

Q: What is the (a) momentum (b) speed, and (C) de-Broglie wavelength of an electron with kinetic energy…

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Q: 1. What is the mass (in grams) of a ball with a velocity of 9.55 m/s and a wavelength of 4.05 times…

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Q: 5. Explain the theory of electron diffraction in solids, and then calculate the De Broglie and Bragg…

A: Electron diffraction refers to the wave nature of electrons. However, from a technical or practical…

Q: Which number is closest to the frequency of a photon with a wavelength of 5.0x10-7 m?   a. 1.5x102…

A: Given data:  A photon  Wavelength (λ) = 5.0×10-7 m Required: The frequency (f)

Q: What does absorption measure in its applications? a.) The intensity of light emitted from a sample.…

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Q: What is the Metastable? A. The state with unusual long lifetime of 10-³ s. B. The excited atoms…

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Q: de Broglie wavelength (equation) is is the wavelength, 2, associated with a massive particle and is…

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Q: Q.1. find the quantum number that characterizes the earth's orbit around the sun. the earth's mass…

A: Given data: the mass of earth (m) = 6x1024 kg the orbital radius of earth (r) = 1.5x1011 m the…

Q: How did Einstein resolve the conflict between Maxwell’s equations and Newtonian mechanics? A. He…

A: How did Einstein resolve the conflict between Maxwell’s equations and Newtonian mechanics.-

Q: When an electron jumps from an outer shell to an inner shell, what is emitted? Select one: a.…

A: Introduction: When an electron jumps from a higher orbital shell or outer orbital shell to a lower…

Q: If two electrons in the same ațom have the same four quantum numbers, then they must have the same

A: The four quantum numbers of an atom are n, l, m , ms.

Q: When a hydrogen atom emits a photon which model of light is being used to describe this process?…

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Q: Which of the following particles display quantum mechanical behavior? A. A rubber bullet flying…

A: It is more likely that the tiny particles exhibit the wave particle duality than the massive…

Q: Determine the velocity of the electron in a positronium atom which is shown in the figure (figure is…

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Q: Which of the following inconsistencies led to the rejection of the solar system model proposed by…

A: The solar system model proposed by Rutherford was neglected because any charge particle orbiting…

Q: Match the description of a process with the corresponding arrow in a. Absorption of a photon whose…

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Q: For which one of the following, Bohr model is not valid?

A: Bohr model is applicable for only single electron species.

Q: Associate the units with the quanity they measure          -           A.           B.           C.…

A: Quantity                      Unit Force                           Newton (N)    Energy…

Q: 02. An electron in an excited hydrogen atom has deBroglie wavelength of 13.3182 x 101" m, drops into…

A: Given Data: de-Broglie wavelength, λD=13.3182×10-10 m Falling state is ground state (n1=1) Standard…

Q: Out of the following pairs, which one does not have identical dimension? A. Moment of inertia and…

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Q: The de Broglie wavelength concept asserts that the wavelength of matter has an inverse relationship…

A: The de Broglie wavelength of matter.

Q: What is the de-Broglie wavelength of (a) a bullet of mass 0.040 kg travelling at the speed of 1.0…

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Q: D. Electrons produced interference patterns. This happens when light is bounced off by particles in…

A: Some basic properties of light  Reflection of light Refraction of light Dispersion of light…

Q: Which of the following provides evidence to the wave nature of electrons? A. In the photoelectric…

A: Dual behaviour of matterde Broglie proposed that matter should also exhibit dual behaviour i.e. both…

Q: Perfect absorbers of electromagnetic radiation are also perfect emitters. b. At any instant in time,…

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Q: Determine Amax the wavelength at the peak of the Planck distribution, at temperature 3000 K. A. 0.34…

A: Given: The temperature is 3000 K.