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The work function for potassium and caes...

The work function for potassium and caesium is 2.25 eV and 2.14 eV, respectively: with light of wavelength `5180overset@ A?

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The work function for potassium and caesium is 2.25 eV and 2.14 eV, respectively. Will the photoelectric effect occur for either of these elements, With incident light of wavelength 5650overset@ A

The work functions for potassium and caesium are 2.25 eV and 2.14 eV respectively. Will the photoelectric effect occur for either of these elements with light of wavelength 5180 overset(@)(A)

The work functions for potassium and caesium are 2.25 eV and 2.14 eV respectively. Will the photoelectric effect occur for either of these elements with incident light of wavelength 5650 overset(@)(A) .

The work function for sodium and copper are 2.0 eV and 4.0 eV respectively. Find by calculation which of the two will be used for the photoelectric cell to work with light of wavelength 4000overset@A .

The work function for caesium atom is 1.9eV. Calculate the threshold wavlength

Three photo diods D_1 , D_2 and D_3 are made of semiconductors having band gaps of 2.5 eV, 2eV and 3eV, respectively. Which ones will able to detect light of wave length 6000 overset @(A) ?

The work function of caesium is 2.14 eV. Find the threshold frequency for caesium .

The work function of a metallic surface is 5.01 eV. The photoelectrons are emitted when light of wavelength 2000A falls on it. The potential difference applied to stop the fastes photoelectrons is [h=4.14xx10^(-15)eVs]

The work function for a metal surface is 2.2 eV. If light of wavelength 5000 overset (@)(A) isincident on the surface of the metal,find the threshold frequency and incident frequency.Will there be an emission of photoelectrons or not?

CHETANA PUBLICATION-Dual Nature of Radiation and Matter-EXERCISE
  1. The work function for potassium and caesium is 2.25 eV and 2.14 eV, re...

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  2. Determine frequency and wavelength of a photon having energy 1.3eW.

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  3. Calculate the energy associated with a photon of wavelength 4000 overs...

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  4. Aluminium metal has a threshold frequency corresponding to wavelength ...

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  5. The threshold wavelength for silver is 3800overset@ A.Calculate the ph...

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  6. Photoelectric work function for silver is 3.315 eV. Calculate the thre...

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  7. The photoelectric work function for a metal surface is 2.4eV.If a ligh...

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  8. The wavelength corresponding to the threshold frequency for a certain ...

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  9. The photoelectric work function of the emitter of photoelectric cell i...

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  10. The threshold frequency for a certain method is 3.3 xx 10^14 Hz. If li...

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  11. The longest wavelength that can eject photo electrons from pt is 1950o...

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

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

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

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

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

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

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

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

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

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

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