A radiation of wavelength 360 nm falls on potassium metal and has a work function of 2 ev. Find 1- the maximum kinetic energy of the emitted electrons. 2- The stopping voltage of the emitted electrons

Q: 3. A free electron initially moves along the positive x-axis direction with the de Broglie…

A: Given, The wavelength of electrons, λ=0.2×10-9m The de Broglie wavelength is given by, λ=h2meE Here,…

Q: Atoms can be ionized by thermal collisions at very high temperatures. One such ion is Ne9+, a neon…

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Q: The wavelength of the yellow spectral emission line of sodium is 590 nm. How much kinetic energy…

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Q: Photons of wavelength 325nm shine on a metal surface and electrons are ejected. A stopping potential…

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Q: A metal has a work function of 5.5 eV. d) The stopping potential, required to stop the electrons…

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Q: Energles of the lowest electron levels in the sodium atom n=6 n = 5 n=4 n=3 n = 2 n=1 -1.10 eV -1.40…

A: wavelength of incident photon = 393 nm The energies of different levels of sodium atom is given in…

Q: Violet light of wavelength 389 nm ejects electrons with a maximum kinetic energy of 1 eV from a…

A: Wavelength of violet light, λ=389 nm = 389×10-9 mMaximum kinetic energy of rejected electron,…

Q: A so

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Q: 1) A metal has threshold frequency 10^15. Calculate the maximum kinetic energy of the ejected…

A: Part (1): Given: The threshold frequency of the metal is 1015 Hz. The wavelength of the beam is…

Q: If the de Broglie wavelength of an electron is equal to 5.0 e -7-m, how fast is the electron moving?…

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Q: The binding energy of Sodium is 2.28eV. Calculate the number of photoelectrons ejected from a…

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Q: When cathode of a photocell is struck by light quanta each of energy 2.3 x 10-19 J, current flows in…

A: Given data:  energy of light (E) = 2.3×10-19 J Stopping potential (Vo) = 0.15 V e = 1.60×10-19 C

Q: In x-ray production, electrons are accelerated through a high voltage AV and then decelerated by…

A: In x-ray production, electrons are accelerated through a high voltage ∆V and then decelerated by…

Q: The incident wavelength of 210 nm is used to test the photo electric effect on a sodium metal. The…

A: Given : Incident wavelength, λ  =  210 nm Threshold wavelength, λ0  =  325  nm We have to find the…

Q: b. A photon of wavelength (0+ 22) x 10-12 mis collided with an electron from a carbon block and the…

A: Electrons going around the nucleus in a definite orbit have quantized energy. When the electron…

Q: A metal surface with a work function of 1.38 eV  is struck with light of ƛ = 400 nm, releasing a…

A: In photoelectric effect , on increasing intensity does not increased the amount of energy of each…

Q: 98. The work function of a metal is 1 eV. Light of wavelength 3000 Å is incident on this metal…

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Q: In an x-ray tube, electrons are accelerated through a large voltage and then slammed into a target.…

A: wavelength = 0.017 nm

Q: In the figure, thex rays shown are produced when 35.0 keV electrons strike a molybdenum target. If…

A: Given:- The x-rays shown are produced when 35.0 keV electrons strike a molybdenum target. If the…

Q: Violet light of wavelength 405 nm ejects electrons with a maximum kinetic energy of 0.860 eV from a…

A: The wavelength of violet light, The maximum kinetic energy of the ejected electron,

Q: A rubidium atom (atomic mass 85) is initially at room temperature and has a velocity of v = 290 m/s…

A: Given: Initial Velocity,u=290m/sAtomic Mass,A=85gWavelength,λ=780nm=780×10-9mFinal…

Q: A free electron in a gas is struck by a 5.95 nm X-ray, which experiences an increase in wavelength…

A: Given: The wavelength of an electron before being struck by the x-ray is λ = 5.95 nm The increase in…

Q: The wavelength of light from the spectral emission line of sodium is 589 nm. Find the kinetic energy…

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Q: 102.A photon of frequency 4.81 x 10¹⁹ Hz scatters off a free stationary electron. Careful…

A: Given, The frequency, f=4.81×1019Hz Angle, θ=125° a. The original wavelength,…

Q: The maximum kinetic energy of electrons ejected from a metal surface exposed to 301-nm photons is…

A: wavelength=301 nm stopping potential=2.98eV

Q: Electrons with de-Broglie wavelength λ fall on the target in an X-ray tube. The cut-off wavelength…

A: We are aware that an X-ray tube's target is struck by an electron with a de-Broglie wavelength λ.The…

Q: (a) If the work function for a certain metal is 1.9 eV, what is the stopping potential for electrons…

A: Given, λ=504×10-9mϕ0=1.9 eV=1.9×1.6×10-19J=3.04×10-19 J We know, Kmax=hcλ-ϕ0where, λ is the…

Q: If the cutoff frequency of the lead metal is 9000 THz and the emitted photoelectrons have kinetic…

A: cutoff frequency (f) of lead metal= 9000 THz

Q: Suppose an electron in a TEM has a wavelength of 95 nm. What is the kinetic energy Of this electron…

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Q: Which statement regarding the photoelectric effect is FALSE? Electrons can be ejected with energy…

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Q: The minimum frequency of light needed to eject electrons from a metal is called the threshold…

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Q: 6. When photons with a wavelength of 120.0 nm are incident on a metal, electrons are ejected that…

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Q: The threshold wavelength for silver is O 3800 A. Calculate the maximum kinetic O. energy in eV of…

A: To find-Maximum K.E. in eVGiven data-λ0=3800 A0=3800×10-10 mλ=2600 A0=2600×10-10 mc=3×108…

Q: Electrons Vacuum tube Typical values for a dental x ray are a kVp of 70 (meaning a peak voltage of…

A: Given: The accelerating potential of the X-rays is V = 70 kV

Q: de Broglie wavelength is

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Q: The threshold frequency of a specific metal is 3x10 Las 14 hertz What is the maximum kinetic energy…

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Q: An unknown metal sample is interrogated using a beam of X-rays to liberate electrons which are then…

A: The given problem involves the concept of photoelectric effect. Photoelectric Effect is the…