If the workfunction of metal is 1,3 eV, find the potential difference needed to stop the fastest photoelectrons emitted by a metal surface under the light of 1671 Å?

Q: The photoelectric cut-off voltage in a certain experiments is 3 V. What is the maximum kinetic…

A: Given Data  Cut-off voltage V0 = 3 volts  Charge on Electron E = 1.6×10-19C  Max. Kinetic Energy KM…

Q: What is the work function, W , of the metal surface? If this photocathode is illuminated by light…

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Q: Copper has a work function of 4.46 eV. What is the maximum wavelength of light that can be used to…

A: work function of copper = 4.46 eV To find : The maximum wavelength of light that can be used to emit…

Q: Ultraviolet light of wavelength 4.00 x 10-8 m shines on a metal surface, releasing photoelectrons…

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Q: The photoelectric effect consists of the emission of electrons from the surface of a metal when the…

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Q: In aphotoelectric effect experiment, light of frequencyl.15×105 Hz strikes a metal surface and…

A: Write a given values of this question. f=1.15×10-15Hz Work function. ϕ=2.3eV=2.3×1.9×10-19V

Q: If the work function of a tungsten surface is 5.4 eV. When the surface is illuminated by light…

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Q: The photoelectric cut-off voltage in a certain experiment is 1.5 V. What is the maximum kinetic…

A: Given Stopping potential is V0=1.5 V Charge of photo electron is q=e=1.60×10-19 C

Q: Radiation with wavelength of 450 nm is incident on a copper metal. Will photoelectrons be emitted?

A: The work function value of copper is  4.7 eV

Q: Light of wavelength 3500 instroms falls on metals A and B. Which metal will produce more…

A: Given data, Incident photon wavelength λ=3500 Ao Work function of metal" A"WA=5 ev Work function of…

Q: The photoelectric cut- off voltage in a certain experiment is 1.5 V. What is the maximum kinetic…

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Q: certain metal has a work function 2.28 eV. What is the longest wavelength of light (in nm) that can…

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Q: The photoelectric cut off voltage in a certain photoelectric experiment is 1.5V. What is the max.…

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Q: Photoelectric work function of metal is 3.2 eV. Find the threshold wavelength.

A: Given data: -  The photoelectric work function of metal is Φ = 3.2 eV.

Q: Light of wavelength 500-nm violet ejects photoelectrons with a maximum kinetic energy of 0.92 eV…

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Q: Light of wavelength 400 nm bombards a surface with work function 2.46 eV. What is the maximum…

A: Given data :- Wavelength λ = 400 nm Work function W = 2.46 eV

Q: When ultraviolet light with a wavelength of 400 nm falls on a certain metal surface, the maximum…

A: Given : Wavelength of ultraviolet light λ = 400 nm             Kinetic Energy = 1.10 eV…

Q: The photoelectric cut-off voltage in a certain experiment is 1.5 V.What is the maximum kinetic…

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Q: A metal has a work function φ = 3.68eV. What is the maximum wavelength with which the photoelectric…

A: Introduction: The work function is the minimum amount of energy required to eject the electron from…

Q: The work function of caesium metal is 2.14 eV. When light of frequency 6 x 10^14 Hz is incident on…

A: Answer Given  Work function of caesium metal ϕ0 = 2.14 eV Frequency of light ν = 6×1014 Hz We have…

Q: In a Photoelectric experiment, light with a wavelength of 500 nm is used to shine on a metal with…

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Q: The work function of a metal is 2.6 eV. What is the longest wavelength of radiation that can eject a…

A: The work function is given by  W =hcλ where, h is the Plank's constant, c is the speed of light and…

Q: If the photoelectric effect is established, what will be the effect of increasing frequency of…

A: Given that, If the photoelectric effect is established, what will be the effect of increasing…

Q: Monochromatic light from a laser shines onto a gold surface and produces photoelectrons with maximum…

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Q: e work function for a certain metal is 4.2 eV. Will metal give photoelectric emission for incident

A: The minimum amount of energy required to be provided to an electron to pull it out of the metal from…

Q: Find the threshold wavelengths for photoelectric effect from a copper surface, a sodium surface and…

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Q: Radiation of wavelength A = 290 nm falls on a metal surface for which the work function is W = 4.05…

A: Given Data : The work function is given as W = 4.05 eV. The wavelength is given as λ=290 nm×10-9 m1…

Q: The work function of Potassium is 2 eV. If the surface of the metal is illuminated by a radiation of…

A: From Einstein's Photoelectric equation, maximum kinetic energy of ejected electron is given by,…

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: In aphotoelectric effect experiment, light of frequency 1.15x10-15 Hz strikes a metal surface and…

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Q: Monochromatic light from a laser shines onto a gold surface and produces photoelectrons with maximum…

A: Given :    Kinetic energy, KEmax = 7.5 ev                                KEmax = 7.5*1.602*10-19…

Q: In a particular photoelectric experiment, a stoppingpotential of 2.10 V is measured when ultraviolet…

A: The expression for energy of a photon in terms of its wavelength is, E=hcλ Here, h is Planck’s…

Q: A metal having a work function of 2.3 eV is illuminated with white light that has a continuous…

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Q: A certain metal has a work function of 4.55 eV. For this metal, find (a) the minimum frequency that…

A: Given: The work function is ϕ=4.55 eV. Part (a) The expression for minimum frequency that light must…

Q: Light of wavelength 277 nm is incident on an uncharged metal sphere of diameter 16.2 cm. If the work…

A: The charge induced on the sphere due to photoelectric effect is 7.2×10-12C.

Q: Light of wavelength 5.6x10 10 m from a mercury arc falls upon a metallic photocathode, and the least…

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Q: The Stopping potential in an experiment on photo electric effect is 1.5V : What is the maximum K.E.…

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Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?