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Light of wavelength 500 nm is incident o...

Light of wavelength `500 nm` is incident on a metal with work function `2.28 eV`. The de Broglie wavelength of the emitted electron is

A

`lt= 2.8 xx 10^(-12) m`

B

`lt 2.8 xx 10^(-10) m`

C

`lt 2.8 xx 10^(-9) m`

D

`lt=2.8 xx 10^(-9) m`

Text Solution

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The correct Answer is:
D
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MOTION-MATTER WAVE-EXERCISE 3 (SECTION A)
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  5. The solution of Bragg's equation is possible if :

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  7. Lights of two different frequencies whose photons have energies 1 eV a...

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  8. If the momentum of an electron is changed by p, then the de - Broglie ...

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  9. Photon and electron are given same energy (10^(-20) J). Wavelength ass...

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  10. The wavelength lamda(e) of an electron and lamda(p) of a photon of sam...

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  11. If velocity of a particle is 3 times of that of electron and ratio of ...

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  12. If the kinetic energy of the particle is increased to 16 times its pre...

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  13. Which of the following figure represents the variation of particle mom...

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  14. Light of wavelength 500 nm is incident on a metal with work function 2...

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  15. A radiation of energy E falls normally on a perfectly reflecting surfa...

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  16. An electron of mass m and a photon have same energy E. The ratio of de...

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  17. The de - Broglie wavelength of a neutron in thermal equilibrium with h...

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