Electrons with energy of 40 keV are used in electron microscopes. What is the de Broglie wavelength of such electrons?

Q: An electron is having a kinetic energy of 3.00 eV. As pwe De Broglie hypothesis what will be its…

A: De Broglie's hypothesis says that all matter can behave both as a particle and a wave, or matter can…

Q: What is the wavelength (in nm) of a photon with momentum 1.93 x 1027 kg m/ s?

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Q: An electron, an α-particle, and a proton have the same kinetic energy. Which of these particles has…

A: The expression for the de-Broglie wavelength is,

Q: What is the de Broglie wavelength of a electron that is moving at 8.77 x 105 m/s? Please give your…

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Q: What is the de Broglie wavelength (in nanometers!) of an electron with energy 1.2 eV?

A: As per De Broglie's hypothesis, matter can behave as a wave and will have a characteristic…

Q: A proton is moving with a speed of v = 1.20 x 10° m/s. What is its de Broglie wavelength (in m)?…

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Q: What is the wavelength of a photon that has the same momentum as an electron with a speed of 6.17…

A: Equate the Momentum of an electron and a photon

Q: What is the de Broglie wavelength of an electron with a kinetic energy of 12.8 eV

A: The de Broglie wavelength is given by  λ =hp where, h is the Plank's constant and p is the momentum.…

Q: What is the de Broglie wavelength of an electron accelerated from rest through a potential…

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Q: The de Broglie wavelength (in nanometer) for an electron moving with 5.739 x 10“ m/s is:

A: Given: The speed of the electron is 5.739x104 m/s.

Q: What is the kinetic energy of an electron (in eV), if its de Broiglie wavelength is 8.08 Å? Answer:

A: Given: The de Broglie wavelength is 8.08 Ao.

Q: Cesium has a work function of 2.14 eV where 1.0 eV = 1.602 x 10^-9J. If radiation with a wavelength…

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Q: The orbital radius of an electron in a hydrogen atom is 0.846 nm.What is its de Broglie wavelength?

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Q: The wavelength of the yellow spectral emission line of sodium is 590 nm. What kinetic energy does an…

A: Wavelength of the yellow light is λ = 590 nm

Q: Comment Edit Page Protect Tools 1. The photoelectric threshold wavelength of a tungsten surface is…

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Q: What is the wavelength of a photon that has the same momentum as an electron with a speed of 2.69…

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

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Q: The work function of sodium is 2.3 eV. What is the longest wavelength that can cause photoelectric…

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Q: What is the  de Broglie wavelength for an electron  moving at 2.00 x 10^7 m/s?

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Q: The de Broglie wavelength (in nanometer) for an electron moving with 2.479 x 104 m/s is:

A: According to de-Broglie, the wavelength of an electron is inversly proportional to its momentum.

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: An electron is accelerated from rest through a potential difference of 100 V. What is the de…

A: Given:   An electron is accelerated through a potential difference , V = 100 V   To determine: The…

Q: The De Broglie wavelength of 1 mg grain of sand blown by a wind at the speed of m/s is .... (h =…

A: To Find: De Broglie wavelength λ Given Data: Mass of gain of sand (m)=1 mg=1×10-4 kg Speed of grain…

Q: What is the wavelength of an electron of energy 2.0 keV ?

A: The kinetic energy of the electron is given as K.E.=2keV.  The relation between momentum (P) and…

Q: In an electron microscope, we wish to study particles of a diameter of about 0.10μm (about 1000…

A: Given Diameter = 0.10 μm ( about 1000 times the size of a single atom Find the de Broglie wavelength…

Q: An electron is accelerated through a potential difference of 26 000 V. What is the de Broglie…

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