The work function of caesium is 2.14 eV. Find (a) the threshold frequency for Caesium and (b) the wavelength of the incident light if photocurrent is through to zero by stopping potential of 0.60 V.

Q: When a metal is illuminated with light of wavelength 420 nm, the stopping potential is 0.65 V; when…

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Q: A solid metal sphere emits 1.42 ✕ 1020 photons every second with a radiating power of 2.53 W.…

A: power radiated = enrgy radiated per second = 2.53 J /sec  photons released per second  = 1.42 × 1020…

Q: An X-ray photon is produced by braking, losing kinetic energy when braking. Find the initial kinetic…

A: Required : Minimum wavelength of the x-ray.

Q: In a photoelectric experiment it is found that a stopping potential of 1.00 V is needed to stop all…

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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: a) Calculate the number of photoelectrons per second ejected from a 0.75-mm² area of sodium metal by…

A: a) The required number of photo-electrons is, n=PE   =IAhcλ    =IAλhc…

Q: Molybdenum has a work function of 4.20 eV. Find the cutoff frequency for the photoelectric effect.

A: When some metals are exposed to electromagnetic radiation they release electrons. This process is…

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: When ultraviolet light with a wavelength of 374 nm falls on a certain metal surface, the maximum…

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Q: When ultraviolet light with wavelength of 350.0 nm falls on certain metal surface, the maximum…

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

A: Given,

Q: Light of wavelength 576 nm is incident on a target metal that has a work function of 1.85 eV. What…

A: solution is given by

Q: The following data gives stopping potential Vo versus wavelength for photoelectrons produced from a…

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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 photoelectric threshold wavelength of a tungsten surface is 272nm. Calculate the maximum kinetic…

A: Given:frequency, f = 1.45×1015 Hzwavelength,λ0 = 272 nmSolution:We know that, the eqaution for work…

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 platinum metal is 5.64 eV. In a photoelectric effect experiment, platinum is…

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Q: A/ The work function of a certain metal is = 4.15 eV. Determine the minimum frequency of light for…

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Q: he photoelectric threshold wavelength of a tungsten surface is given as 256 nm. Calculate the…

A: Given: The threshold wavelength of the tungsten is 256 nm. The frequency of the ultraviolet…

Q: 1.3. A photoelectric cell has a cutoff wavelength, λc, of 262.7 nm. ☹ (a) What is the work function…

A: Approach to solving the question:Photoelectric  Work function, and stopping voltageDetailed…

Q: When ultraviolet light with a wavelength of 400.0 nm falls on a certain metal surface, the maximum…

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Q: (a) A photoelectric experiment is performed where green light with a wavelength of 546.1 nm is…

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