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Introduction to Imperfections in Solids

The de-brogli...

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The de-broglie wavelength of an electron is same as that of a photon. If velocity of electron is 50% of the speed of light, then KE of photon/ KE of electron?

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A photon and electron have same de-Broglie wavelength. Give that is the speed of electron and c is the velocity of light. are the kinetic energy of electron and photon respectively. are the momentum of electron and photon respectively. Then which of the following relation is correct?

Q. A photon and an electron possesses same de-Broglie wavelength. Given that C

=

speed of light and v

=

speed of electron, which of the following relation is correct? (Here,

E_{e} = K . E

E_{P h} = K . E

P_{e} =

momentum of electron,

P_{p h} =

momentum of photon).

Q. The de-Broglie wavelength of an electron and the wavelength of a photon are the same. The ratio between the energy of that photon and the momentum of that electron is (c =velocity of light, h= Planck's constant)

Q. A photon has same wavelength as the de Broglie wavelength of electrons. Given

C =

speed of light,

v =

speed of electron. Which of the following relation is correct? [Here

E_{e} =

kinetic energy of electron,

E_{p h} =

energy of photon,

P_{e} =

momentum of electron and

P_{p h} =

momentum of photon]

Q. The de Broglie wavelength of a photon is twice the de Broglie wavelength of an electron. The speed of the electron is

v_{e}, = \frac{c}{100} .

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