Voltage applied to an electron microscope to produce electrons of wavelength 40nm is* O 93.63 V O 93.63 KV O 936.3 V O 9.36 KV
Q: A photon of frequency 7.9 x 1015 Hz incident on a metal plate and just <ncoked off an electron. The…
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Q: The stopping potential of a photoelectric diode is 8 volts. e/m = 1.8 × 10¹¹ C kg ¹, then what is…
A: To find-Velocity=?Given-Stopping potential (Vs)=9 Vem=1.8×1011 C/kg
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A: The objective of the question is to find the distance at which one would observe the 2nd maxima on…
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A: Given: The characteristic spectral lines with the longest wavelengths are 0.155 nm and 0.131 nm.…
Q: What is the maximum energy in electron volts of the photos?
A: Here the energy =charge of electrons × voltage it passes through ANS: so the maximum energy will be…
Q: The de Brogle wave length cf electron accelerated from rest by 200V is 1.03x10-10 m () 3.09x10-10 m…
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Q: To resolve an object in an electron microscope, the wavelength of the electrons must be close to the…
A: The question is asking us to determine the kinetic energy of an electron in an electron microscope…
Q: The de Broglie wave length of electron accelerated from rest by 200V is
A: Given, v=200v λ=hP=h2meV=6.626×10-342×9.1×10-31×1.6×10-19×200=0.867×10-10 m
Q: The kinetic energy of an electron taken from a metal having a work function W = 1.36 eV with photon…
A: The question can be solved as follows
Q: 13. In the image below, a = 2.00nm and b = 4.00nm. 4 (x) x(nm) a b 13a. At what position is the…
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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: A rubidium surface has a work function of 2.16eV. A UV light of 380nm is incident on the rubidium…
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Q: In an X-ray tube, electrons, bombarding the anode produce X-rays of wavelength 1A . The energy of an…
A: Wavelength produced is 1 A We have to calculate the energy of an electron when it hits the anode
Q: from a metal that has a work function of 1.80 eV? 690 nm 564 nm 555 nm 123 nm 4.35 X 10^14 m
A: Given Work function of metal W = 1.80 eV To find Longest wavelength of light that can cause…
Q: The figure below shows two parallel metal plates PQ and RS in an evacuated enclosure. The separation…
A: Consider the following figure which describes the motion of the electron between the plates. Here,…
Q: In a photoelectric experiment, a metal is irradiated with light of energy 3.56 eV. If a braking…
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Q: The work function of a metal is is 2.04 e V. What will be the frequency of light required to eject…
A: Given Data : The work function of the metal is given as ϕ=2.04 eV1.6×10-19 J1 eV=3.264×10-19 J
Q: 21. The work function of caesium is 1.4 eV. The maximum velocity of clectrons emitted from the…
A: Given data: Work function of Cesium is, ϕ=1.4 eV=1.4 eV×1.6×10-19 J1 eV=2.24×10-19 J. Wavelength of…
Q: Which choice below has lower energy photons than visible light? Energy (electron volts, eV) 10 10 10…
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Q: Potassium and gold cathodes are used in a photoelectric-effect expériment. For each cathode, find:…
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Q: If a quantum of radiation has an energy of 3.88 keV, what is its wavelength? (h = 6.63 x 10-34 J×s,…
A: Given that,Energy, E=3.88keVwhere, 1eV=1.60×10-19 Jthen, E=3.88×103×1.60×10-19 J=6.208×10-16…
Q: To resolve an object in an electron microscope, the wavelength of the electrons must be close to the…
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Q: A metal surface with a work function of 1.38 eV is struck with light of ƛ = 400 nm, releasing a…
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Q: In a photoelectric effect experiment the threshold wavelength of light is 380 nm. If the wavelength…
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Q: What minimum accelerating voltage would be required to produce an x-ray with a wavelength of 0.0280…
A: wavelength = 0.0280 nm = 0.28 Angstrom
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: The current of a beam of electrons, each with a speed of 1.200*10^3 m/s, is 9.000 mA. At one point…
A: Given,
Q: An electron microscope passes 1.00-pm-wavelength electrons through a circular aperture 2.00 µm in…
A: Wavelength is λ=1.00 pm= 1.00×10-12 m Diameter of the circular aperture is, D = 2.00 μm=2.00×10-6 m…
Q: Images taken with transmission electron microscopes are produced by passing very high energy…
A: Given: An images of are in black and white color in usual and so an explanation is given as,
Q: An electron sitting in the -4eV energy level of this atom is struck with a photon and as a result it…
A: Energy gained by the electron is given as the difference between the levels, that is E=-1.8-(-4)=2.2…
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A: Kinetic energy gained by electron after being accelerated through potential is absorbed my target…
Q: An electron in a quantum system has allowed energies E1=1.0 eV, E2 = 4.0 eV, and E3 = 6.0 eV. What…
A: Emission spectrum is obtained when an electron makes transition from higher energy state to lower…
Q: The potential potential of a photoelectric diode is 8 volts. e/m = 1.8 x 10¹¹ C kg ¹, then what is…
A: To find-Velocity=?Given-Stopping potential (Vs)=9 Vem=1.8×1011 C/kg
Q: For the emission line spectrum of Hydrogen atoms, determine the shortest wavelength in the Lyman…
A: When an electron jumps from a higher energy level to a lower energy level, it emits energy in the…
Q: To resolve an object in an electron microscope, the wavelength of an electrons must be close to the…
A:
Q: Target = Sodium Intensity = 100% Wavelength = 300 nm Voltage = 3.1059 V What is the current, in…
A: Note:- Here intensity is not given so according to my calculation it must equal to ,…
Q: Assume electrons are accelerated through a potential difference of 25 000 V inside a TV picture…
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Q: A 1-kg cat acquires a speed of 100 m/s as it is sucked into the intake of a jet engine.What is its…
A: Solution : Cat mass m = 1 kg speed of cat, v = 100 m/s h = 6.63x10^-34 J s c = 3x 10^8 m/s
Q: What is the accelerating voltage of an x-ray tube that produces x rays with a shortest wavelength of…
A: The energy of the X-ray photon is given by,
Q: If the phenon energy is 0.044 EV, it is deterred by GH=
A: Given: The energy of the phonon is 0.044 eV. To determine: The frequency in Giga Hertz Note: 1 eV…
Q: The stopping potential of a photoelectric diode is 8 volts. e/m = 1.8 × 10¹¹ C kg ¹, then what is…
A: To find-Velocity=?Given-Stopping potential (Vs)=9 Vem=1.8×1011 C/kg
Q: A particular metal has a work function of 3.2 eV. What is the maximum energy of electrons ejected…
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Q: 7) White light has wavelengths that range from 380 nm to 750 nm. This light strikes a metal that has…
A: 7) a) The photoelectron’s maximum kinetic energy can be represented as, Here, E, ϕ0, h, c, and λ…
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 = ?
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