If an electron is excited from energy level 1 to energy level 5, the number of possible wavelengths that can be observed are
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A: Given, Wavelength,λ=400 nm Work function, ϕ=2.4 eV 1. Kinetic energy is given by:…
Q: If a photon has an associated wavelength of 636 nm, what is its photon energy in electron Volts?
A: Given data: Wavelength of the photon (λ) = 636 nm Required: The energy of photon in eV
Q: What is the de Broglie wavelength (in nanometers!) of an electron with energy 3 MeV? (point)
A: As per De Broglie's hypothesis, matter can behave as a wave and a particle. Evwn matter will have a…
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A: Given: The potential difference in the first case is 8000 V. The potential difference in the second…
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A: Given: wavelength = 1.2×10-10 m
Q: What is the maximum photon wavelength that would free an electron in a hydrogen atom when it is in…
A: The energy in a hydrogen atom is given by: En=-21.8×10-19Jn2Z2 Z=1 En=-21.8×10-19n2
Q: What is the de Broglie wavelength of an electron with a kinetic energy of 245 keV?
A: de Broglie wavelength is given by, λ=hp,
Q: A ball has a mass of 0.22 kg just before it strikes the Earth after being dropped from a building…
A: Mass = 0.22kg Distance covered (s) = 42.9 m
Q: An electron is contained in a one-dimensional box of length 0.370 nm. a) Draw an energy-level…
A: The length of the box, The expression for the energy of one-dimensional box,
Q: What is the de Broglie wavelength (in nanometers!) of an electron with energy 1.2 eV?
A: As per De Broglie's hypothesis, matter can behave as a wave and will have a characteristic…
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A: The wavelength of visible light ranges from 400 nanometers to 700 nanometers, depending on the…
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Q: If the de Broglie wavelength of an electron is equal to 5.0 e -7-m, how fast is the electron moving?…
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Q: If a proton and an electron have the same kinetic energy, which has the longer de Broglie…
A: Given: A proton and an electron has same kinetic energy.
Q: is the de broglie wavelength in angstroms of the hydrogen electron in the fourth quantum level?
A: We need to find out the de broglie wavelength in angstroms of the hydrogen electron in the fourth…
Q: De Broglie's hypothesis states that every particle has associated with it a wavelength given by…
A: Given data : Mass of the bullet, m = 3.31 g = 3.31×10-3 kg Speed…
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: Violet light of wavelength 405 nm ejects electrons with a maximum kinetic energy of 0.860 eV from a…
A: The wavelength of violet light, The maximum kinetic energy of the ejected electron,
Q: ball has a mass of 0.121 kg just before it strikes the Earth after being dropped from a building…
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Q: a measurement of an electron's speed is 3.0 x 10^6 and has an uncertainty of 5%. what is the minimum…
A: The given values in the problem are:Speed of the electron (v) = 3.0 x 10^6 m/sUncertainty in speed…
Q: If an electron is accelerated from rest through a potential difference of 100 V, what is its de…
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Q: A 2x10-12 m wavelength photon strikes a stationary electron and Compton scatters at and angle of 60…
A: c) Determine the speed of an electron. Determine the momentum of the electron.
Q: Light of frequency 1.6 × 1015 Hz illuminates a piece of iron, and the iron emits photoelectrons with…
A: Given that, frequency of light exposed, f= 1. 6× 10¹⁵ Hz Maximum kinetic energy, K.E= 2.7 ev KE=…
Q: A gas of identical hydrogen-like atoms has some atoms in the lowest (ground) energy level A and some…
A: Part(a) Find the principal quantum number of the initially exited level B. Part(b) Find the…
Q: What is the mass of a fly in grams, if its de Broglie wavelength is 1.545×10-31 m when it is…
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Q: Which of the following statements are true? Choose all that apply. A photon has kinetic energy.
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Q: A ball has a mass of 0.216 kg just before it strikes the Earth after being dropped from a building…
A: Find speed of ball just before it strikes on earth Using 3rd kinematic equation: V^2 = U^2 + 2*a*H U…
Q: An atom initially in an energy level with -2.59 eV emits a photon that has wavelength 480 nm. What…
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Q: In a typical electron microscope, the momentum of each electron is about 1.8 x 1022 kg-m/s. What is…
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Q: What is the energy of an electron with wavelength 680 nm?
A: (given) Wavelength of an electron = 680 nm = 680 ×10-9 m Energy of an electron is E = hf and f=cλ…
Q: What is the wavelength of an electron moving at 3.00% of the speed of light?
A: By using de-broglie's theoryλ=hpwhere p=mv∴λ=hmv Equation 1given, v is 3% of c=3×3 x 108…
Q: The work function for calcium is 2.9 ev. If we shine on the surface made of calcium with a light of…
A: Wavelength, λ = 420 nmWorkfunction of Calcium, φ = 2.9 eVSpeed of light, c = 3 × 108 m/sPlanck's…
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