Light of wavelength 2 fails upon the surface of a metal of work function 9. Calculate the minimum de Broglie wavelength of non-relativistic photoelectrons (mass of electron is m).

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

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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: When radiation of frequency 8 x 10¹4 Hz is incident on a metal, the maximum K.E. of the…

A: First we find the work function  of the metal from initial  information  then after we will find the…

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: 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: The photoelectric work function for a metal is 2 eV. What is the lowest frequency of radiation that…

A: To find-Lowest frequency (i.e. threshold frequency) v0=?Given-Photoelectric work function (W0)=2…

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

A: Photoelectric cut-off voltage, Vo = 1.5 V

Q: na metallic surface. If the fastest photoelectrons emit

A: The light of wavelength 2000 A0 falls on a metallic surface. If the work function of the surface is…

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

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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 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: 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 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: 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: 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: Calculate the de Broglie wavelength of a bullet of mass 80 g travelling at speed 869 m/s. Express…

A: Given, mass of bullet=80g=80x10-3 kg speed =v=869 m/s De broglie wavelength is given by…

Q: nd the magnitude and direction (relative to the given coordinate system) of the net electric

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Q: A metal of work function emits photoelectrons and of maximum KE when irradiated by a photon of…

A: To find-Work function (ω0)=?Given-E1=2.5 eVE2=4 eV

Q: : The longest wavelength of incident light that can eject photoelectrons from platinum is 1980 A. If…

A: Given: λo=1980Å=1980*10-10m λ=1900Å=1900*10-10m Additional data Planck's constant(h)=6.626 ×…

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: Geothermal energy uses the subsurface level of the earth to heat up water converting it to steam and…

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Q: Calculate the de Broglie wavelength of a 41.2 kg person who is running at a speed of 4.74 m/s.…

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Q: What is the work function for the metal (in eV), if the maximum wavelength of light to produce…

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Q: When a certain metal is illuminated by light, photoelectrons are observed, provided that the…

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Q: Which rotational system would be best to use as a model to measure how angular momentum changes when…

A: In a fishing reel, force can be altered any time

Q: The work function of a material is found to be 4 eV. Electromagnetic radiation of frequency 6.8* 10…

A: Certain materials can eject electrons when the light of a certain frequency falls on their surface.…

Q: An electron is in a box of width 3.0 * 10-10 m. What are the de Broglie wavelength and the magnitude…

A: de Broglie wavelength of a particle with momentum can be given by the relation, λ=hp