Q3: Find the wave length of the electromagnetic radiation, which emitted, when a photon of energy (5eV) for electron trans ition from orbit to another? (Ans. 0.24µm).

Q: What is the energy range (in joules and eV) of photonsin the visible spectrum, of wavelength 400 nm…

A: The energy of the photons with wavelengths at the ends of the visible spectrum are,…

Q: An electron has a kinetic energy of 5.4 eV. What is the energy of a photon whose wavelength is the…

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Q: a) A gamma-ray photon produces an electron and a positron. each with a kinetic energy of 150 kev.…

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Q: the uncertainty Calculate known to be within 1.0 um of a certain point on a bat. The Planck distribu…

A: Given, Mass m = 500 g = 0.5 kg Uncertainty in position Δx = 1.0 um = 1.0 × 10-6 m   Uncertainty in…

Q: a) Calculate the number of photoelectrons per second ejected from a 0.75-mm² area of sodium metal by…

A: a) The required number of photo-electrons is, n=PE   =IAhcλ    =IAλhc…

Q: An excited nucleus emits a gamma-ray photon with an energy of 2.55Mev. a) what is the photons…

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

A: given, the wavelength of electron=λ=8.76 um mass of electron=m=9.1x10-31kg According to de Broglie…

Q: he blackbody radiation emitted from a furnace peaks at a wavelength of 2.5 10-6 m (0.0000025 m).…

A: Use Wein displacement law

Q: Suppose a photon has a wavelength of 2.9 μm. Calculate the momentum of the photon in kg m/s.  what…

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

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Q: The artifi cially created nuclear isotope tritium (3H) is important in many applications. This…

A: Given: The mean kinetic energy of electron is K=5.7 keV. The diameter of the nucleus is l=3.4 fm.…

Q: Assume that a100-What's light bulb gives off 2.5% of its energy as visible light of wavelength…

A: Given:  Power of bulb, P = 100 W  2.5 5 of energy is converted into light wavelength of photons =…

Q: :A Photon i Compton Scatlered Statonary electron angleof so nd offe hrough. Cm 450 and bal energy.…

A: Angle of scattering, θ = 45° Final energy is equal to half of initial energy.  Initial value of…

Q: Q3 : Find the wave length of the electromagnetic radiation, which emitted, when a photon of energy…

A: Energy released in the transition from one orbit to another can be expressed as, E=hcλ

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: 19. An electron (mass m) with initial velocity i = voi + voj is in an electric field É = -E,k.If do…

A: An electron (mass 𝑚) with initial velocity v→=v0i^+v0j^  is in an electric field E→=-E0k^ If λ0 is…

Q: Part B Suppose that the light carries energy Elight. What is the maximum stopping potential Vo that…

A: energy of incident light = Elight stopping potential = VoWork function = ϕ

Q: X-rays are usually produced by making high-velocity electrons collide with metallic targets. For…

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Q: An electron and a 6.70 kg bowling ball each have 4.25 eV of kinetic energy. HINT (a) Calculate e,…

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Q: 3. The equation 1.45 in our textbook says that the de Broglie wavelength as a function of…

A: This problem can be solved using the logarithmic derivative approach.

Q: would appreicate an answer fot this: If a beam of photons, all with the same energy and momentum,…

A: would appreicate an answer fot this: If a beam of photons, all with the same energy and momentum,…

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

A: Use Einstein's photo electric effect equation

Q: 1. (a) State Planck's theory of quantum radiation. (b) The plot of stopping potential versus the…

A: The photoelectric effect is the emission of electrons from the metal surface and other substances…

Q: f a photon of wavelength 0.0665 nm hits a free electron and is scattered at an angle of 35◦ from its…

A:

Q: Calculate the de Broglie wavelength (in fm) of a 5.8 MeV a particle emitted from an atomic nucleus…

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Q: a) What is the momentum of a 0.0080 -nm wavelength photon that could detect details of an ato x10-23…

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Q: A) Astronomers measure the peak wavelength of a nearby star to be 410 nm. What is the star's…

A: In 1910, Max Planck put forward the hypothesis to explain the blackbody radiation, where they found…