The photoelectric work function of the emitter of a photoelectric cell is 2 eV. When emitter is irradiated by monochromatic light of certain wavelength, the photoelectric current can just be reduced to zero by applying a stopping potential of 1.5 V. Find the wavelength of incident light.

Q: The photoelectric equation for the kinetic energy of a photoelectron is, following Einstein, E ≤ hf…

A: Given, work function of Sodium is, W = 3.2×10-19 J velocity of electron is, v =8×105 m/s So maximum…

Q: The work function of a metal is 2.29 x 10-19 J. In a photoelectric effect experiment, calculate the…

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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: The work function for indium is 4.12 eV. (d) If light of energy 7.14 eV is incident on indium, what…

A: Photoelectric effect is the phenomenon of emission of electrons from metals under the influence of…

Q: You illuminate a metal with light of wavelength 640 nm and find that the photoelectrons have a…

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Q: What is the maximum speed (in km/s) of a photoelectron emitted from a surface whose work function is…

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

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Q: The work function for a certain metal is 4.2 eV. Will this metal give photoelectric emission for…

A: We have known that-Work function of the metal, ϕ0=4.2 eVCharge on an electron, e=1.6×10-19 CPlanck's…

Q: Red light of wavelength 672 nm produces photoelectrons from a certain photoemissive material. Green…

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Q: The work function of tungsten is 4.5 eV. What is the photoelectric threshold wavelength for…

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Q: Radiation with a frequency of 7.52 × 1014 Hz illuminates a photoelectric surface in a photoelectric…

A: Frequency = 7.52 ×10¹⁴Hz Work function = 2.20 eV

Q: piece of lead is hooked up to a circuit. When it is illuminated by a light, a stopping potential of…

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Q: during an experiment 5.3*10^4 Hz light shines on a metal plate and the photoelectric effect occurs.…

A: Momentum p= hfc  where h is Planck's constant             f is frequency of incident light ,and…

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: Two light sources are used in a photoelectric experiment to determine the work function for a…

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Q: In a photoelectric effect experiment, light with a wavelength of 2.12E-7 m is shone on a clean metal…

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Q: Two light sources are used in a photoelectric experiment to determine the work function for a…

A: Given,

Q: The work function of a surface is 5.0×10^−19 J. If light of wavelength of 300 nm is incident on the…

A: Given: The work function of the metal is 5x10-19 J. The wavelength of the light is 300 nm.

Q: Light with a wavelength of 300 nm is incident on the cathode of a photoelectric tube. It is observed…

A: Given,λ=300 nmK=0.5eV=8×10-20 JFrom law of conservation of energy,E=ϕ0+KWhere ϕ=Work…

Q: Light of frequency  1.5 times the threshold frequency is incident on a photosensitive material. What…

A: Given data: Frequency f = 1.5 threshold frequency.                 f=1.5 f0

Q: The stopping potential for photoelectrons emitted from a surface illuminated by light of…

A: a) Write the equation of the photoelectric effect and apply the first equation.

Q: A beam of light with wavelength 6500 Angstrom and carrying the energy 105 ergs per second falls on a…

A: Let E0 denotes the energy of each photon, c denotes the light speed, h denotes the Planck’s…

Q: Photoelectron spectroscopy (PES) is a technique based on the photoelectric effect. In PES,…

A: The Photon energy or Potential energy= 12.1eV  The Kinetic energy= 4.8eV

Q: The work function for cesium is 1.9 eV, the lowest of any metal. (a) Find the threshold frequency…

A: Given value--- The work function for cesium is 1.9 eV, the lowest of any metal. We have to find---…

Q: The energy conservation principle that applies to the photoelectric experiment is Ephoton =…

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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: Two light sources are used in a photoelectric experiment to determine the work function of a…

A: When the light of a particular frequency falls on certain materials it will release electrons this…

Q: A clean nickel surface is exposed to light of wavelength 230 nm. What is the maximum kinetic energy…

A: Given Information:- Wavelength of the incident light is  λ=230 nm   =230 nm×10-9 m1 nm   =2.30×10-7…

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: A photoelectron is ejected from a metal via the photoelectric effect. A closer look reveals it is…

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Q: Ultraviolet radiation of wavelength 121 nm is used to irradiate a sample of potassium metal.  The…

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Q: Light of wavelength 282 nm is incident on an uncharged metal sphere of diameter 14.2 cm. If the work…

A: The wavelength of the light: The diameter of the metal sphere: The work function:

Q: The longest wavelength of light that will cause emission of photoelectrons from a certain metal…

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Q: A metal having a work function of 3.5 eV is illuminated with white light that has a continuous…

A: Given:  Work function = 3.5 eV Continuous wavelength band = 350 nm to 535 nm

Q: A photoelectric experiment has a work function = 6.35 eV. The minimum cutoff frequency is 1.53E15…

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