Potassium is 2 eV. If the surface of the metal is illuminated by a radiation of 360 nm, The energy of the fastest photoelectron will be

Q: A metal surface has a photoelectric cutoff wavelength of 410.5 nm. What will be the stopping…

A: In terms of maximum kinetic energy, the photoelectric equation is as follows:  Kmax=hc1λ1-1λ2 Here,…

Q: The photoelectric threshold wavelength of a tungsten surface is 722 nm. Calculate the maximum…

A: Given:- The photoelectric threshold wavelength of tungsten λ = 722 nm   the ultraviolet radiation of…

Q: What is the longest-wavelength EM radiation that can eject a photoelectron from silver, given that…

A: The binding energy,

Q: Copper has a work function of 4.46 eV. What is the maximum wavelength of light that can be used to…

A: work function of copper = 4.46 eV To find : The maximum wavelength of light that can be used to emit…

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

A:

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: A 592 nm laser emits 4.94 x 1019 photons per second, how much total energy (in J) would this…

A: Given Data Wavelength of the photons is λ=592nm=592×10-9 m Number of photons emitted per unit second…

Q: If the work function of a tungsten surface is 5.4 eV. When the surface is illuminated by light…

A:

Q: A 530 nm laser emits 2.87 x 1019 photons per second, how much total energy (in J) would this…

A:

Q: What is the maximum speed of emitted photoelectrons if a beam of light of wavelength 200 nm is shone…

A:

Q: The photoelectric work function of potassium is 2 eV. What potential difference would be applied…

A:

Q: The photoelectric work function of potassium is 2.3 eV. If light that has a wavelength of 190 nm…

A: Given: The work function of potassium = 2.3 eV The wavelength of light = 190 nm

Q: 12 10 | (100;10) |(150;6) (200; 3,8) (300; 19) 2- |(400; 0,5) Potencial de corte, Vcorte (V)

A: It is very easy.

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

A:

Q: The work function of an unknown metal is 5.15 eV. What is the longest wavelength, in nanometers, of…

A: Given that Work function = 5.15eV

Q: certain metal has a work function 2.28 eV. What is the longest wavelength of light (in nm) that can…

A:

Q: A potassium surface is illuminated by a monochromatic laser light with a wavelength of 400 nm.…

A: Given Wavelength of the light is λ=400 nm=400×10-9 m Work function of potassium is φ=2.30…

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 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: The maximum energy of photoelectrons from aluminum is 2.3 ev for radiation of wavelength 200nm and…

A:

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: An X-ray photon of λ0 = 3, 0 A is scattered by a free, resting electron and deflected 90 degrees.…

A:

Q: Light of wavelength 1,6x10 10 m from a mercury arc falls upon a metallic photocathode, and the least…

A:

Q: The work function of a metal is 2.6 eV. What is the longest wavelength of radiation that can eject a…

A: The work function is given by  W =hcλ where, h is the Plank's constant, c is the speed of light and…

Q: The threshold frequency for emission of photoelectrons from metallic sodium was found to be 43.9 x…

A:

Q: A potassium surface is illuminated by a monochromatic laser light with a wavelength of 400 nm.…

A: When light of wavelength λ is incident on a metal surface that has a work function W, the maximum…

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

A:

Q: 5.00-eV photons are incident on a metal, generating photoelectrons that have a maximum kinetic…

A: Given data- Energy of photon E=5.00 eV maximum kinetic energy KEmax=0.69 eV Work function=W

Q: Light with a wavelength of 3.20 x 108 m illuminates a metal that has a work function of 5.85 × 10-19…

A: Given, Wavelength of light = 3.20×10-8 m  Work function = 5.85×10-19 J  From photoelectric equation,…

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 = ?

Q: Radiation of wavelength A = 290 nm falls on a metal surface for which the work function is W = 4.05…

A: Given Data : The work function is given as W = 4.05 eV. The wavelength is given as λ=290 nm×10-9 m1…

Q: The work function of Potassium is 2 eV. If the surface of the metal is illuminated by a radiation of…

A: From Einstein's Photoelectric equation, maximum kinetic energy of ejected electron is given by,…

Q: When light of wavelength 244nm illuminates an aluminum surface, a stopping potential of 1.0V is…

A: Given that: λ=244 nm=244 ×10-9 mv0=1 Vq=1.6×10-19 Ch=6.63×10-34c=3×108 m/svw=?

Q: nd Planck’s

A:

Q: Lithium has a work function of 2.51 eV. What is the maximum kinetic energy of the photoelectrons if…

A:

Q: When radiation of frequency 8 x 10^14 Hz is incident to Calcium which has 4.3x10^-19 J work…

A: Given data: Frequency of radiation, ν=8×1014Hz Work function, ϕ0=4.3×10-19J

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 max speed, v = 4 x 105 m/s  mass of electron, m…

Q: The work function of Potassium is 2 eV. If the surface of the metal is illuminated by a radiation of…

A:

Q: The work function of caesium metal is 2.14 eV. When light of frequency 6 x 1014 Hz is incident on…

A: Given value--- work function = 2.14 eV. incident frequency = 6 × 1014 Hz. We have to find---…

Q: 9.) A metal has a work function of 4.8 eV. What is the maximum kinetic energy of a photoelectron if…

A: In photoelectric effect if falling light has a frequency more than the threshold frequency or work…

Q: Estimate the binding energy of electrons in magnesium, given that the wavelength of 337 nm is the…

A:

Q: The photoelectric work function of potassium is 2 eV. What potential difference would be applied…

A:

Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?