Ex. 51: Calculate the energy of a light of wavelength 5000 A. photon in
Q: Photoelectrons with a maximum kinetic energy of 7.95 eV are emitted from a metal when it is…
A: The kinetic energy of the electron is given in electron volts (eV). However, in order to calculate…
Q: Assume we have a material with a work function of 4.94 eV. What is the maximum speed, in meters per…
A: Given Work function of the material is ϕ=4.94 eV=4.94×1.6×10-16 J=7.90×10-19 J Wavelength of the…
Q: The photoelectric work function for a metal is 4.2 eV. If the stopping potential is 3V. Find the…
A: To find-λ0=?(K.E.)max=?Given-ϕ0=4.2 eV=4.2×1.6×10-19 JVs=3 Vc=3×108 m/sh=6.63×10-34 Jse=1.6×10-19 C
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: 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: Ex. 2 : The photoelectric current in a photoelectric cell can be reduced to zerò by a stopping…
A:
Q: By what rate a photon emitted from a sodium vapor lamp? Assume that the lamp's light is…
A: lambda=wavelength=589*10^-9 m E=hc/(lambda) h=6.625*10^-34 Js c=3*10^8 m/s on solving for E we…
Q: A 592 nm laser emits 4.94 x 1019 photons per second, how much total energy (in J) would this…
A: Given Data Wavelength of the photons is λ=592nm=592×10-9 m Number of photons emitted per unit second…
Q: Q. 12: Photoelectric emission takes place (a). (b) (c) (d) when incident wavelength is greater than…
A: To find-Condition for photoelectric emissionGiven-When a metal surface is exposed to light,…
Q: Find the momentum of a 7.50-cm wavelength microwave photon. 8.835 x10-32 kg · m/s Hint: Recall the…
A: Given Data : The wavelength of the microwave photon is given as λ=7.50cm The SI unit of wavelength…
Q: Suppose a photon has a wavelength of 2.9 μm. Calculate the momentum of the photon in kg m/s. what…
A:
Q: What is the work function of the metal light of wavelength 4000 Å generates
A: Givenλ=4000 Ao=4000×10-10 mve=6×105 m/sme=9×10-31 Kgc=3×108 m/sh=6.626×10-34 Jsqe=1.6×10-19 JeV-1
Q: 11B). Photons with energy of 2.35 eV are used in a photoelectric effect experiment. The binding…
A: Using the given photon energy and binding energy of material, we will first calculate kinetic…
Q: he minimum wavelength of electromagnetic radiation that is capable of removing electrons from the…
A:
Q: . i. Calculate the maximum wavelength λmax of electromagnetic radiation that could eject electrons…
A:
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…
A:
Q: What is the greatest wavelength of light that will cause the emission of photoelectrons from sodium.…
A: Concept used: Photoelectric effect is the process of ejecting out electrons from surface of metal.…
Q: Ex. 1: The energy required to remove electron from sodium is 2.3 eV. Does sodium show photoelectric…
A: To find-Whether the photoelectric effect is observed or not?Given-Photoelectric work function…
Q: A 245 W bulb produces monochromatic U-V light of frequency 1.34x1015 Hz. If the efficiency of the…
A: Power = 245 efficiency = 24% Thus , effective power = 0.24 * 245 = 58.8 W
Q: Photoelectric work function of a metal is 3 eV. Find the maximum K.E. and maximum. emitted when…
A: the problem is based upon the concept of photoelectric method, at first we have to calculate the…
Q: UV radiation having a wavelength of 127 nm falls on iron metal, whose work function is 4.50 ev. What…
A: Photon energy is given by E=hcλ h=6.626×10-34J·s is Planck's constant. c=3.0×108 m/s is the speed of…
Q: Ex. 51: Calculate the energy of a photon in O light of wavelength 5000 A.
A: To find-Energy of photon (E)=?Given-λ=5000 A0=5×10-7 mc=3×108 m/sh=6.63×10-34 Js
Q: Q1: a) A clean Nickel surface is exposed to light of wavelength 235 nm. What is the maximum speed of…
A:
Q: An AM radio transmitter radiates 500 kW at a frequency of 760 kHz. How many photons per second does…
A: Here,Power (P) = 500 kWFrequency (ν) = 760 kHz
Q: Ex. 35: Determine the wavelength of photon emitted which has an energy at 2.5 eV.
A: Given : Energy of the photon, E = 2.5 eV Since 1 eV = 1.6×10-19 J ⇒ E = 2.5×1.6×10-19 J = 4×10-19 J…
Q: Ex. 35: Determine the wavelength of photon emitted which has an energy at 2.5 eV.
A: To find-Wavelength of photon (λ)=?Given-Energy (E)=2.5 eVEnergy (E)=2.5×1.6×10-19 J
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: A photon strikes a metal with a work function of o and produces a photoelectron with a de Broglie…
A: According to law of conservation of energy, the energy can neither be created nor be destroyed, it…
Q: Calculate the momentum magnitude of a photon in a beam of wavelength 5260 A 1.26 x 10-27 J.s\m-A…
A: Wavelength Momentum
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: Photoelectric work function of a metal is 3 eV. Find the maximum K.E. and maximum speed of…
A: To find-(1) maximum K.E.=?(2) Maximum speed of photoelectronsGiven-W0=3 eV=3×1.6×10-19 JW0=4.8×10-19…
Step by step
Solved in 2 steps
