A metal of work function emits photoelectrons and of maximum KE when irradiated by a photon of energy 2.5 eV. The maximum KE of photoelectrons is observed to be doubled when a photon of 4 eV strikes the same metal the work function of metal is

Q: What is the maximum kinetic energy (in eV) of the photoelectrons when light of wavelength 260.0 nm…

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Q: (a)     In a photoelectric effect experiment, a target material is irradiated with a beam of…

A: "Since you have asked multiple question, we will solve the first question for you. If you want any…

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: The cutoff wavelength for the photoelectric effect in a certain metal is 254 nm. What is the work…

A: The cutoff wavelength is the minimum wavelength required by a photon to cause a photoelectron…

Q: The cut-off wavelength for the photoelectric effect in a certain metal is 220 nm. If the wavelength…

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Q: The threshold wavelength for the photoelectric effect for silver is 262 nm. What is the work…

A: Photoelectric Effect: When a light of frequency equal to or greater than the threshold frequency of…

Q: The work function for sodium is 2.46 eV. (a) Find the cutoff wavelength for sodium. nm (b) What is…

A: The work function of metal: (a) Cutoff wavelength during photoelectric emission is given by the…

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: The threshold frequency for a certain metal is 3.3 × 1014 Hz. If light of frequency 8.2 × 1014 Hz is…

A: Given:  Threshold frequency, fo = 3.3 × 1014 Hz Incident frequency, f = 8.2 × 1014 Hz

Q: ne: (masselectron = 9.11 X 10-31 kg) i) The maximum kinetic energy of the photoelectron. ii) The…

A: Given values:- Potential difference,(V)=3 Volt ----(1) Mass of electron,(me)=9.11 x 10-31 kg…

Q: If the photoelectric work function of a calculate the threshold metal is 5 eV, wavelength for the…

A: To find-Threshold wavelength (λ0)=?Given-W=5 eVW=5×1.6×10-19 J

Q: The wavelength of the photoelectric threshold for a metal is 1,13×10-10 m. Determine the wavelength…

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Q: Photoelectrons from a metal with a work function of 2.74 eV are ejected by photons with a wavelength…

A: work function (w) = 2.74 eV wavelength of incident photons = 415 nm

Q: In a photoelectric-effect experiment, the stopping potential is 1.37 V if the light used to…

A: Part-a Given: The stopping potential Vs = 1.37 V. The wavelength of the light λ = 475 nm.

Q: The work function for sodium is 2.46 eV. (a) Find the cutoff wavelength for sodium. nm (b) What is…

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Q: inetic energy of 2.70 eV. (a) What is the work function of the metal? 5 ev (b) If the photon energy…

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Q: A 625-nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of…

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Q: Which statement regarding the photoelectric effect is FALSE? Electrons can be ejected with energy…

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Q: 4) The minimum frequency for the photoelectric effect to occur in a given metal is 5 x 10¹4 Hz. a)…

A: Given: Minimum frequency (fο) = 5 × 1014HzTo find: a) Work function of the metal (W)             b)…

Q: How much energy is requierd to emit electrons from surface of platinum when it is illuminated with…

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Q: n a photoelectric experiment, a metal with aφ=1.5 eV is used as a target. When a lamp operatingat…

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Q: The work function for zinc is 4.31 eV. (a) Find the cutoff wavelength for zinc. nm (b) What is the…

A: We are given work function of the zinc metal. This is the same as threshold energy required. The…

Q: On a photosensitive material, when frequency of incident radiation increased by 30%, kinetic energy…

A: To find-Work function (ϕ)=?Given-(Initial) K.E.=E1=0.4 eV(Final) K.E.=E2=0.9 eV

Q: Photoelectric work function of silver is 3.315 eV. Calculáte the threshold frequency of silver.

A: Given data ϕ0=3.315 eV Here, ϕ0 is the photoelectric work function. Now we have to find out the…

Q: The threshold frequency for a certain metal is 3.3 x 1014 Hz. If the light of frequency 8.2 x 1014…

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Q: The work function for platinum metal is 5.64 eV. In a photoelectric effect experiment, platinum is…

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Q: Ultraviolet light of wavelength 99 nm falls on a metal plate of work function 1.0 eV. Find the…

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Q: The wavelength of the photoelectric threshold for a metal is 8.9×10 10 Determine the wavelength of…

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Q: 2) Consider the photoelectric effect in zinc. The work function of the Zn is 4.30 eV. After the…

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Q: (6%) Problem 5: In a photoelectric effect experiment you illuminate a metal with light of an unknown…

A: Einstein’s photoelectric equation is,

Q: In the photoelectric effect a photon hits a metal surface and ejects an electron. The energy of the…

A: Answer :- (C)

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

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Q: Design a photoelectric effect setup where photoelectrons possess a maximum kinetic energy of 5.0 eV…

A: Photoelectric effect: When light falls on the detector (excess of electron), if it have sufficient…