The photoelectric work function of tungsten is 4.5 eV. Calculate its threshold wavelength.
Q: The work function (W), of a metal X, equals 3 x 10-¹⁹ J. Calculate light of wavelength equals W. the…
A: The work function of a metal is the minimum energy to eject an electron. It is given for metal…
Q: The wavelength of the yellow spectral emission line of sodium is 590 nm. How much kinetic energy…
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Q: What is the maximum wavelength of light that will cause photoelectrons to be emitted from sodium?…
A: Given, Work Function, W=2.28eV = 2.28×1.6×10-19J=3.648×10-19JSpeed of light,c=3×108m/sPlanck's…
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: The Photoelectric threshold wavelength A. Calculate its of certain material is 3000 A work function.
A: To find-Work function (W)=?Given-λ0=3000 A0=3000×10-10 mC=3×108 m/s
Q: The wavelength corresponding to the threshold frequency for a certain metal is 5000 A. Calculate the…
A: We need to compute- Maximum Kinetic energy of photoelectron=? The data given as- Threshold…
Q: When UV light of wavelength 255 nmnm falls on a metal surface, the maximum kinetic energy of emitted…
A: Wavelength of the incident photon, Maximum kinetic energy of the emitted electron,
Q: Sodium has a working function of 2.46 eV. The working function of aluminum is 4.08 eV. What is the…
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Q: The work function of selenium is 5.9 eV. What is the minimum frequency of light that will produce…
A: Work function (Φ) = 5.9 eV Converting 5.9eV into joule(Φ)= 5.9×1.6×10-19 J the minimum frequency of…
Q: Photoelectric work function of a photo- sensitive material is 3 x 10-19 J. Calculate its threshold…
A: To find-Threshold wavelength (λ0)=?Given-W=3×10-19 J
Q: Aluminium has a work function of 4.08 eV. (a) Find the cutoff wavelength and cutoff frequency for…
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Q: Photoelectric work function of a photo- sensitive material is 3 × 10-¹9 J. Calculate its threshold…
A: Given: Photo electric work function, 3 ×10-19 J To find: Threshold wavelength
Q: 11.8. The threshold frequency for a certain metal is 3.3x 104 Hz. If light of frequency 8.2 x 10* Hz…
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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: 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: Molybdenum has a work function of 4.20 eV. Find the cutoff wavelength for the photoelectric effect.
A: Certain metals release electrons from their surface when light falls on them. This process is called…
Q: The work function for a certain metal is 4.2 eV. Will this metal give photoelectric emission for…
A: Given: Work function, W = 4.2 eV wavelength = 330 nm
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: Number of emitted photons is 10^4 photons/s. Number of emitted electrons is 20 el/s. What is…
A: Given data, Number of photons, Np=104 photons/sec Number of electrons Ne=20 e/sec
Q: Aluminum metal has a threshold to wavelength frequency corresponding A 4770 Å. Calculate the…
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Q: An electron microscope passes 1.00-pm-wavelength electrons through a circular aperture 2.00 µm in…
A: Wavelength is λ=1.00 pm= 1.00×10-12 m Diameter of the circular aperture is, D = 2.00 μm=2.00×10-6 m…
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…
A:
Q: A Ge pin photodiode has a radius of 0.2 mm for an active light receiving circular area. Light that…
A: The quantum efficiency of the photodiode is given by,
Q: A metal surface is illuminated by light with a wavelength of 2,8. 107 m. If the stopping potential…
A: Wavelength of light λ = 2.8×10-7 m Stopping potential Vo = 0.7 V Detachment energy W = ?
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