Ex. 58: The threshold wavelength for a certain metal is 5000 ACalculate the maximum K.E. of the photoelectrons emitted, when ultra violet O radiation of wavelength 2500 A falls on it. (1 eV, h and C are given).
Q: Ex. 58: The threshold wavelength for a certain metal is 5000 ACalculate the maximum K.E. of the…
A: Given-λ0=5000 A0=5×10-7 mλ=2500 A0=2.5×10-7 mTo find-(K.E.)max=?
Q: Ex. 32: The photoelectric work function of silver is 3.3 eV. Calculate the threshold frequency for…
A: To find-THreshold frequency (vv0)=?Given-W0=3.3 eV=3.3×1.6×10-19 Jh=6.63×10-34 Js
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: Ex. 32: The photoelectric work function of silver is 3.3 eV. Calculate the threshold frequency for…
A: To find-Threshold frequency (v0)=?Given-W0=3.3 eV=3.3×1.6×10-19 Jh=6.63×10-34 Js
Q: Ex. 57: The threshold wavelength for photonmission from silver is 3800 Å. Calculate the maximum…
A: Given-λ0=3800 A0=3.8×10-7 mλ=2600 A0=2.6×10-7 mc=3×108 m/sh=6.63×10-34 Js1 eV=1.6×10-19 J
Q: Ex. 2 : The photoelectric current in a photoelectric cell can be reduced to zerò by a stopping…
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Q: Ex 27: The threshold wavelength for silver is O 3800 A. Calculate the photoelectric work function…
A: To find-Work function in eV (W)=?Given-λ0=3800 A0=3.8×10-7 mh=6.63×10-34 Jsc=3×108 m/s1 eV=1.6×10-19…
Q: a) Use Einstein's photon idea to explain why the stopping potential is independent of light…
A: The problems are based upon the photoelectric effect. The photoelectric effect is the emission of…
Q: Ex. 1: The energy required to remove electron from sodium is 2.3 eV. Does sodium show photoelectric…
A: The energy required to remove an electron from Sodium is 2.3 eV. This implies the work function of…
Q: Calculate the momentum, and de Broglie wavelength of the electrons accelerated through a potential…
A: Given:potential differene,v=56 voltsE=1.92×10-17 JTo find:Momentum and de-Broglie wavelength of…
Q: a photoelectric experiment using a sodium surface, you find a stopping potential of 1.86 V for a…
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Q: Ex 27: The threshold wavelength for silver is O 3800 A. Calculate the photoelectric work function…
A: To find-Work function in eV (W)=?Given-λ0=3800 A0=3.8×10-7 mh=6.63×10-34 Jsc=3×108 m/s1 eV=1.6×10-19…
Q: Ex. 55: Photoelectric threshold wave-length of à certain metal is 3315 A.U. Then its work function…
A: To find-Work function (W0)=?Given-Threshold wavelength λ0=3315 A0…
Q: The uncertainty in position of an electron is 5.15 x 10-10 m. Find the minimum uncertainty in the…
A: The uncertainity in position and momentum of the particles are related as ∆x.∆P≥h4πWhere ∆x…
Q: Ex. 1: The energy required to remove electron from sodium is 2.3 eV. Does sodium show photoelectric…
A: To find-Whether the photoelectric effect is observed or not?Given-Photoelectric work function…
Q: KE= E photon - º
A: given workfunction of Na is ϕ=2.3eV=2.3×1.6×10-19J=3.68×10-19J frequency ϑ=7.62×1015sec-1
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: Nhen ultraviolet light with a wavelength of 400 nm falls on a certain metal surface, the maximum…
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Q: . Is it possible for the de Broglie wavelength of a “particle”to be greater than the dimensions of…
A: De Broglie wavelength of a particle can be smaller or can be larger than the linear dimension of the…
Q: de Broglie wavelength is
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Q: A given material has a work function of 9.0 eV, answer a) If light is incident with wavelength λ=…
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Q: The binding energy of Sodium is 2.28 ev. Calculate the number of photoelectrons ejected from a 1.00…
A: (a) The power of the radiation emitted is P=IA=1.30×103 W/m21×10-6 m2=1.30×10-3 W The power can also…
Q: Ultraviolet light of wavelength 99 nm falls on a metal plate of work function 1.0 eV. Find the…
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Q: An electron is trapped in a one-dimensional box that is 326 nm wide. Initially, it is in the n = 2…
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Q: Q1// In Photoelectric Effect the amount of current flow is depended on applied Potential difference…
A: When radiation with a frequency mare then threshold frequency falls on a photo sensitive material it…
Q: De Broglie's hypothesis states that every particle has associated with it a wavelength given by…
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Q: The threshold wavelength of silver is 3800 A Calculate the maximum kinetic energy in eV of…
A: We need to compute- Maximum kinetic energy (KE)=? The data given as- λ=2600 A0λ0=3800 A0h=6.63×10-34…
Q: The binding energy of Sodium is 2.28 eV. Calculate the number of photoelectrons ejected from a 1.00…
A: Let the wavelength of the electromagnetic radiation is denoted by λ. Evaluate the energy (E) of the…
Q: An electron microscope uses electron. accelerated by a voltage of 30 KV: Determine the De-Broglie…
A: To find- De-Broglie wavelength (λ)=?Given-Voltage (V)=30 KV=30×103 Vmass (m)=9.1×1031 kgEnergy of…
Q: would appreicate an answer fot this: If a beam of photons, all with the same energy and momentum,…
A: would appreicate an answer fot this: If a beam of photons, all with the same energy and momentum,…
Q: The threshold frequency vo describes the smallest light frequency capable of ejecting electrons from…
A: Use Einstein's photo electric effect equation
Q: 4. Consider a Relativistic particle, whose de-Broglie wavelength is A. If 2, represents Compton…
A: The de-Broglie wavelength of the particle is given by, Here, h and p represent the Planck’s…
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