If the work function of a metal is 6.63
Web12 jan. 2024 · So to solve it we are giving you the direction: Calculate the energy of photon E = hc/λ where h (planks constant) = 6.63 x 10-34 c = 3x 108 m/s λ = wavelength in metre of photon = 26.52 x 10-9 m Now divide the work function (in joule) by the energy of photon you will get the no. of photon.Read more on Sarthaks.com - … WebThe energy of one mole of photons of radiation of wavelength 300 nm is (Given : h = 6.63 $$\times$$ 10$$-$$34 J s, NA = 6.02 $$\times$$ 1023 mol$$-$$1... Consider the following pairs of electrons (A) (a) n = 3, $$l$$ = 1, m1 = 1, ms …
If the work function of a metal is 6.63
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WebWhat is its de Broglie wavelength? (h = 6.63 ´ 10-34 J×s, me = 9.11 ´ 10-31 kg, and 1 eV = 1.60 ´ 10-19 J) A. 1.1*10^-10 m B. 1.5*10^-10 m C. 1.9*10^-10 m D. 2.3*10^-10 m E. … Web31 aug. 2024 · The work function can be written as the following formula: Φ = − eφ − E F where e is the charge of an electron, φ is the electrostatic potential in the vacuum nearby …
WebA photo metal is illuminated by light of wavelengths λ1 and λ2 respectively. The maximum kinetic… When a metal surface is illuminated by a monochromatic light of wavelength λ, then the potential… A metal of work function 4 eV is exposed to a radiation of wavelength 140 ×10^-9 m. Find the… A slit of width ‘d’ is placed infront of a ... Web13 nov. 2024 · Given: Work function of platinum = Φ = 6.3 eV =6.3 x 1.6 x 10 -19 J, Threshold wavelength of silver = 1972 Å = 1972 x 10 -10 m, speed of light = c = 3 x 10 8 …
WebSum If the work function of a metal is 3 eV, calculate the threshold wavelength of that metal. (Velocity of light = 3 x 10 8 m/s, Planck’s constant = 6.63 x 10 –34 J.s.; 1 eV = 1.6 … WebHow do you find the work function of a material? The photoelectric equation involves; h = the Plank constant 6.63 x 10 – 34 J s. f = the frequency of the incident light in hertz (Hz) &phi = the work function in joules (J) E k = the maximum kinetic energy of the emitted electrons in joules (J) Does work function depend on metal?
Web(a) If the work function for a certain metal is 1.5eV,what is the stopping potential for electrons ejected from the metal when the light of wavelength 500nM shines on the metal? (b) What is the maximum speed of the ejected electrons from …
WebVIDEO ANSWER:Okay, so we know the work function. Can we go to plan? Constant has a frequency and a frequency this year should be the lowest footprints you can get. So the … human rights office near taj hotel mumbaiWeb13. The threshold wavelength for emission from a metallic surface is 500 nm. What is the work function for that particular metal? Threshold frequency = c/λ Threshold frequency … human rights on death penaltyWebThe work function of metal B is half that of metal A.Add a line to the graph above to show how the maximum kinetic energy of electrons emitted from metal B varies with … holliston food pantry maWeb3% 53.(a) The stopping potential of a metal is 2.4 V. Calculate the work function if light incident on the metal has a wavelength of 4.0 x10–7 m. 3% (b) A light source of … holliston estate planning attorneyWebLight shined on some metals emits electrons. Electrons are ejected immediately ... is the maximum kinetic energy of an emitted electron if light with a frequency of 2 x 10 15 … human rights ombudsmanWebStudy with Quizlet and memorize flashcards containing terms like 1) An ideal blackbody absorbs all of the light that is incident on it., 2) The distribution of energy in the … holliston dental associates reviewWeb29 jul. 2024 · answered Work function of a metal is 6.63×10^-19 find the threshold frequency of it Advertisement akshaykmathur0pco1wq is waiting for your help. Add your answer and earn points. Answer 1 person found it helpful sucheth Using the Formula E= hf. Where E is the work function, h is the plank's constant, f being the threshold frequency. holliston estate planning lawyer