What is the wavelength of an electron moving at 3.00% of the speed of light?
Q: Photoelectrons with a maximum kinetic energy of 7.95 eV are emitted from a metal when it is…
A: Step 1:Step 2:
Q: When light of wavelength 250nm is incident on a metal surface, the maximum speed of the…
A: Given: incident wavelength = 250 nm = 250 x 10-9 m maximum speed, v = 4 x 105 m/s
Q: Find the speed of helium atoms with a de Broglie wavelength of 1.03 Å.
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Q: What is the output power, in watts, of a light source that emits light with a wavelength of 596 nm,…
A: This problem can be solved using power formula and energy of photon formula.
Q: A relativistic electron has a de Broglie wavelength of 2.45 pm2.45 pm (1 pm=10−12 m).(1 pm=10−12 m).…
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Q: A circular coil enclosing an area of 120 cm is made of 210 turns of copper wire (shown in the figure…
A: Solution:-Given thatArea of circular coil (A)=120 cm2=0.012 m2Number of turns (N)=210 turnsR=7…
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: A measurement is made of a photon’s energy (from a laser) that results in an uncertainty in the…
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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: A relativistic electron has a de Broglie wavelength of 2.45 pm (1 pm = 10-¹2 m). Determine its…
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Q: What is the wavelength of an electron moving at 2.50% of the speed of light?
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Q: X-RAY RADIATION Constants Units of Energy h = 6.626 · 10-34 J.sec Planck constant e = 1.6· 10-19 C…
A: Given,
Q: A light source emits a beam of photons, each of which has a momentum of 6.4 x 10-29 kg-m/s. (a) What…
A: Mometum of photon=6.4×10-29kg.m/s
Q: If we were to consider waves on the electromagnetic spectrum with wavelengths of 4.3 x 10^7 nm and…
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Q: What is the frequency of a photon having energy 2.1 X 10-30 MJ?
A: E = 2.1 X 10-30+6 JFrequency, v = ?We know, Energy = hv, where h is the Planck’s ConstantTherefore,…
Q: (a) Calculate the wavelength (in m) of a photon that has the same momentum as a proton moving at…
A: Given : v = 1.21% c = 0.0121(3 × 108) = 3.63 × 106 m/s
Q: To we wountਗਰ of a photon having energy of 2.31.
A: To find-(1) Wavelength of photon,(2) Frequency of photonGiven-C=3×108 m/s1 eV=1.6×10-19…
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: Electron coming out of a material has a velocity of 5.6x105 ms-1 when it is illuminated by a light…
A: The photoelectric effect takes place when the light of a certain frequency falls on material and…
Q: Electrons striking the back of a conventional TV screen travel at a speed of about 1.5 ✕ 107 m/s.…
A: Given data: The speed of electron, v=1.5×107 m/s. The de Broglie wavelength of electron is given…
Q: Calculate the de Broglie wavelength for a proton moving with a speed of 1.00 ×106 m/s.
A: Matter or particles can behave both as a particle and a wave. This is called the dual nature of…
Q: X-rays are Compton scattered at an angle of 60◦. If the wavelength of the scattered radiation is…
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Q: (a) Find the momentum (in kg · m/s) of a 44.5 kev x-ray photon. kg m/s (b) Find the equivalent…
A: Given data, Energy of photon = 44.5 KeV Rest mass of photon = 0 Rest mass of neutron = 1.6x10-27 kg
Q: In an experiment on photoelectric effect, the slope of the cut-off voltage versus frequency of…
A: Cut-off voltage is minimum negative potential applied to the plate or anode for which photoelectric…
Q: A proton is moving at a speed of 2.59 × 107 m/s. The mass of a proton is 1.67 × 10–24 g. Calculate…
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Q: Calculate the de Broglie wavelength of proton, if it is moving with speed of 2 × 105 m/s. Mass of…
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Q: An x-ray photon of energy 3.20 x 10-15 J has what wavelength?
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Q: (a) What is the energy in joules of an x-ray photon with wavelength 3.92 ✕ 10−10 m? _____J (b)…
A: We have given: Wavelength, λ = 3.92 x 10-10 m (a) The energy of the photon is given as E =…
Q: What is the momentum p1 of a photon if its wavelength is 530 nm? p1 = ? kg·m/s What is the…
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Q: What is the de Broglie wavelength of a particle with a momentum of 1.11 x
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Q: What are (a) the energy of a photon corresponding to wavelength 1.00 nm, (b) the kinetic energy of…
A: a) The expression for the energy of photon is,
Q: Find the momentum of a photon with a wavelength of 1.55m. (Radio wave)
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Q: A light source emits a beam of photons, each of which has a momentum of 2.0 x 10-29 kg-m/s. (a) What…
A: Mometum of photon=2.0×10-29kg.m/s
Q: What is the wavelength (in m) of a 2.06 eV photon? Find its frequency in hertz.
A: Given that, Energy of photon, E = 2.06 eV We know that Planck constant, h = 6.626 × 10-34Js…
Q: Calculate the de Broglie wavelength of a proton moving at 2.42 ✕ 108 m/s. ____m
A: Given data The velocity of the proton is, v=2.42×108 m/s The de Broglie wavelength is, λ=hmv Here…
Q: The velocity (m/s) of an electron with a de Broglie wavelength of 1.679 nm is:
A: wavelength of electron(λ)=1.679 nm=1.679×10-9m mass of electron(m)=9.11×10-31 kg Planck…
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: When ultraviolet radiation of 9.5 X 10 14 Hz is incident on a metal sheet, photoelectrons are…
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Q: (a) 620 nanometers (nm)? (b) What are the energy and momentum of a photon of red light of wavelength…
A: The relation between wavelength and energy for the photon is given by Where h = Planck constant c…
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