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Energy of a photon is 2 eV. Find its fre...

Energy of a photon is 2 eV. Find its frequency and wavelength.

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CHETANA PUBLICATION-Dual Nature of Radiation and Matter-EXERCISE
  1. The longest wavelength that can eject photo electrons from pt is 1950o...

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  2. What is the wave number of a beam of light in air if its frequency is ...

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  3. Energy of a photon is 2 eV. Find its frequency and wavelength.

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  4. Calculate the momentum and Energy of a photon of wavelength 4000overse...

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  5. The energy of a photon is10 xx 10^-19J.Calculate its wavelength.

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  6. The work function of silver is 5.26 xx 10^-19J. Calculate its threshol...

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  7. The work function of a metal is 1.6 xx 10^-19J. The metal surface is i...

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  8. When light of wavelength 6000oerset@A falls on a metal surface, photoe...

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  9. Calculate the de Broglie wavelength of proton, if its speed is 10^7 cm...

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  10. Calculate the de Broglie wavelength of wave associated with a mass of ...

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  11. Calculate the de Broglie wavelength of wave associated with a mass of ...

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  12. The kinetic energy of an electron is 500 eV. Calculate the de-Broglie ...

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  13. Calculate the momentum of electron, if their wavelength is 2overset@ A...

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  14. What is de-Broglie wavelength of a 3 kg object moving with a speed of ...

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  15. Find the wavelength for a beam of neutrons, whose kinetic energy is 10...

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  16. Calculate de-Broglie wavelength of an electron beam accelerated throug...

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  17. What voltage must be applied to an electron microscope to produce elec...

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  18. Find the number of photons emitted per second by a 25 W source of mono...

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  19. Choose the correct answer from option given and write it with its corr...

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  20. The mass of moving photon is

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