emission
Q: on has a momentum of 8.5 × 10-21 kg⋅m/s. What is its wavelength in meters? Calculate its energy in…
A: GivenMomentum of photon, p=8.5×10-21 kg m/s
Q: The photoelectric equation for the kinetic energy of a photoelectron is, following Einstein, E < hf…
A: Given that Work function W = 3.2 X 10-19 J Speed of emitted electrons u = 8 X 105 m/s
Q: m² falls on a platinum surface of area 1.0 × 104 m² a. function 5.6 eV, 0.53% of the incident…
A: GIVEN: Intensity= 2.0W/m2 Surface area= 1.0* 10-4m-2 Work function= 5.6eV Here, we…
Q: a What is the de Broglie wavelength of a 163-g baseball traveling at 33.0 m/s (73.8 mph)? Wavelength…
A: Given the mass of a baseball =163 gtraveling with speed =33.0 m/swe have to calculate the wavelength…
Q: What is the velocity of an electron emitted by lithium (work function = 2.90 e.v.) if light with a…
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Q: Calculate the de Broglie wavelength of a proton moving at 2.33 x 104 m/s and 2.55 x 108 m/s. (a)…
A: The two speeds of proton and
Q: b. An electron and a photon has the same wavelength of 0.21 nm. Calculate the momentum and energy…
A: From Debroglie's theory of matter-wave duality, given the wavelength λ of a particle, the momentum…
Q: A/What is the wavelength of an electron with a kinetic energy of 49.8 eV? (Possibly useful…
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Q: If all the energy from a 107 W light bulb is emitted on average at 666.0 nm, how many 666.0 nm…
A: Given data: Wavelength of photon (λ) = 666.0 nm Rate of energy (P) = 107 W = 107 J/s Required:…
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: The work function of tungsten is 4.5 eV. What is the photoelectric threshold wavelength for…
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Q: he minimum wavelength of electromagnetic radiation that is capable of removing electrons from the…
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Q: Solar radiation falls on Earth's surface at a rate of 1900 W/m2. Assuming that the radiation has an…
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Q: The photoelectric equation for the kinetic energy of a photoelectron is, following Einstein, E < hf…
A: Work function of the metal W=3.2×10-19J Velocity of the electron v=8×105 m/s Speed of light…
Q: Consider a photon with wavelength 0.011 nm. l = 0.011 nm What is the momentum of the photon in…
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Q: Ex1/ A photon with momentum p= 1.02 MeV/c is scattered by a stationary free electron. Its momentum…
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Q: 3.5. The threshold wavelength for photoelectric emission in Tungsten is 240 nm. What wavelength of…
A: Step-by-Step Solution1. Understanding the Given Information:Threshold wavelength for Tungsten…
Q: If a proton were traveling the same speed as electrons in a TV picture tube (about 8.5 107 m/s),…
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Q: Give the momentum (in kg m/s) of a photon with wavelength 429.0 nm.
A: Given that,wavelenght:λ=429.0 nmh=6.63×10-34
Q: What speed must an electron have if its momentum is to be the same as that of an X-ray photon with a…
A: wavelength=0.95nm
Q: An electromagnetic radiation of wavelength 242 nm is just sufficient to ionize a sodium atom.…
A: From E= hv or hc/ λ, where : λ = 242 nm or 242 x 10-9m c = 3 x 108 m/s h = 6.62 x 10-34 J s
Q: What is the energy in eV and wavelength in µm of a photon that, when absorbed by a hydrogen atom,…
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Q: The wavelengths of visible light range from approximately 400400 to 750 nm750 nm. Part (a) What is…
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Q: Based on the Figure 5.1, for the light frequency of 6.00 × 1014 Hz, calculate i. the maximum…
A: Given that, Frequency f=6.00×1014 Hz Stopping potential = 2.0 V
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) What is the de Broglie wavelength (in m) of a proton moving at a speed of 3.30 x 104 m/s? m (b)…
A: We have givena. speed of proton is 3.30 x 104 m/sb. speed of proton is 1.92 x 108 m/sc. Energy =…
Q: For a certain metal, the threshold wavelength for the photoelectric effect is 719.0 nm. What is the…
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Q: What is the kinetic energy of photoelectron (in terms of keV) ejected from K-shell of a lead (EB-82x…
A: From Einstein photoelectric equation :We can say thet :Kinetic energy of photoelectron= Energy of…
Q: Problem 4: A photon originally traveling along the x axis, with wavelength λ = 0.100 nm is incident…
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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: What is the minimum wavelength in m of the x-ray photons from a 140 kV x-ray tube? (h =…
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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: QUESTION 7 A metal having a work function of 2.8 eV is illuminated with monochromatic light whose…
A: Given data, Work function is given ϕ0=2.8 eV =2.8×1.6×10-19=4.48×10-19 J.
Q: The photoelectric equation for the kinetic energy of a photoelectron is, following Einstein, E < hf…
A: Given that Work function of the sodium is W=3.2×10-19 J Speed of the emitted electron or…
Q: X-rays are usually produced by making high-velocity electrons collide with metallic targets. For…
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Q: a −2.5 eV b 0.1 eV c 1.8 eV d 5.0 eV
A: given the graph of Maximum kinetic energy of the outgoing particle and the frequency of the…
Q: A strange metallic rock is found and is being tested. Suppose that light with a frequency of 9.40 ✕…
A: Given: Frequency ν=9.40×1014 Hz Stopping potential Vs=1.50 V Standard data used: Planck's constant…
Q: ?When a beam of 10.6 eV photons of intensity 2.0 W/m² falls on a platinum surface of area 1.0 x104…
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Q: When light of wavelength 244nm illuminates an aluminum surface, a stopping potential of 1.0V is…
A: Given that: λ=244 nm=244 ×10-9 mv0=1 Vq=1.6×10-19 Ch=6.63×10-34c=3×108 m/svw=?
Q: 3. A. 279.7 kJ of energy are required to remove one mole of electrons from one mole of lithium…
A: 3. Given- Work function E =279.7 KJ=279.7×103J We have h=6.626×10-34 J-secc=3×108 m/s
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