What is the de Broglie wavelength (in nanometers!) of an electron with energy 3 MeV? (point)
Q: Consider the Bohr model of the doubly ionized lithium ion (3 protons) with a single electron. The…
A: Given , The ground state energy is -122.4 eV
Q: What is the mass of a small car in grams, if its de Broglie wavelength is 4.198×10-38 m m when it is…
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Q: The "radius of the hydrogen atom" is often taken to be on the order of about 10-10m. If a…
A: The radius of the hydrogen atom is often taken as Bohr’s radius. It is denoted by a0 and its value…
Q: When an electron in hydrogen atom jumps from the third excited state to the ground state, how would…
A: Let the ground state is n1=1. The third exited state is n2=3. The expression for wavelength is:…
Q: If the de Broglie wavelength of a particle is 1032 nm, how fast is the electron moving?
A: The expression for the speed of the moving electron,
Q: What is the wavelength of the quantum of light (in µm) if it has the same momentum as a proton…
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Q: What is the velocity of an electron that has a de Broglie wavelength of approximately 1.2×10-10?
A: Given: wavelength = 1.2×10-10 m
Q: The de Broglie wavelength of a 0.060 kg golf ball is 4.28 x 10^-34 m. What is its speed? (Ans. 26…
A: From de Broglie equation, the wavelength of a particle is expressed as: Rearrange the above…
Q: What is the wavelength (in nm) of a photon with momentum 1.93 x 1027 kg m/ s?
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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: What is the de Broglie wavelength of a electron that is moving at 8.77 x 105 m/s? Please give your…
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Q: 3. Calculate the de Broglie wavelength associated with: A. An electron (m= 9.11x10-31 kg) moving…
A: Given, A. Mass of the electron, m=9.11×10-31kg Speed of electrons, v=6×107m/s Potential difference,…
Q: An atom in an excited state of 4.7 eV emits a photon and ends up in the ground state. The lifetime…
A: Given Excited state Photon E= 4.7 eVExcited state life time =1.0×10-13 s.
Q: What is the de Broglie wavelength of an electron accelerated from rest through a potential…
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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: A relatively long-lived excited state of an atom has a lifetime of 3.00 ms. What is the minimum…
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Q: An electron in a one-dimensional box has ground-state energy 2.00 eV. What is the wavelength of the…
A: Given: The energy of electron in-ground energy state = 2 eV
Q: Q2:- Find the de Broglie wavelength of (a) a 8-MeV proton; (b) a 55-GeV electron; (c) ar electron…
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Q: A neutron is shot straight up with an initial speed of 100 m/s. As it rises, does its de Broglie…
A: Given: The initial speed of Neutron is 100 m/s Need to find that the de Broglie wavelength increase,…
Q: Light of frequency 3.3 × 1015 Hz illuminates a piece of silver, and the silver emits photoelectrons…
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Q: At very low temperature, the de Broglie wavelengths of the atoms in a gas can become larger than the…
A: T=Temperature=200 nKkB=Boltzmann constant=1.381×10−23 m2kg/s2Kh=Planck constant=6.626×10−34 Jsm=Mass…
Q: What is the de Broglie wavelength of a particle with a momentum of 1.11 x
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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: What is the deBroglie wavelength of a proton that has a kinetic energy of 22.9 MeV? a. 2.40 × 10-21…
A: Given: The kinetic energy of proton (K.E.) = 22.9 MeV. Mass of wavelength (m) = 1.673×10-27 kg.
Q: An electron is located on a pinpoint having a diameter of 2.5 µm. What is the minimum uncertainty in…
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Q: An electron is located on a pinpoint having a diameter of 7.71 um. What is the minimum uncertainty…
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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: If all the energy from a 119 W light bulb is emitted, on average, at 690.0 nm, how many 690.0 nm…
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Q: Light of wavelength 350 nm falls on a potas- sium surface, and the photoelectrons have a maximum…
A: Solution attached in the photo
Q: The diameter of an atomic nucleus is about 10 fm (1 fm = 10-15 m). What is the kinetic energy, in…
A: E=0.5mv2=0.5mhmλ2=0.5h2mλ2
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: Using the Broglie"s relationship, the velocity of an electron with a (mass e = 9.11×10-31 kg) having…
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Q: Light of frequency 2.1 × 1015 Hz illuminates a piece of cesium, and the cesium emits photoelectrons…
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Q: A 6.0-gram champagne cork is shot out of an opened champagne bottle and traveled at a speed of 65…
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Q: a thermal neutron has a speed v at temperature T=300K and kinetic energy m0v^2/2=3kT/2.calculate its…
A: Given, Temperature,T=300KBoltzmann Constant,k=1.38×10-23m2kgs-2K-1Speed of light,c=3×108m/s We have…
Q: The speed of an electron is 5.67 x 106 m/s with an uncertainty of 7 x 104 m/s. What is the minimum…
A: Let Δv be the uncertainty in the speed, and m be the electron’s mass.
Q: t what velocity will an electron have a wavelength of 2.8 m?
A:
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