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In the study of a photoelectric effect t...

In the study of a photoelectric effect the graph between the stopping potential V and frequency `nu` of the incident radiation on two different metals P and Q is shown in fig.
(i) which one of two metals have higher threshold frequency
(ii) Determine the work function of the metal which has greater value
(iii) Find the maximum kinetic energy of electron emitted by light of frequency `8xx10^(14) Hz` for this metal.

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MODERN PUBLICATION-DUAL NATURE OF RADIATION AND MATTER -Revision Exercises (Short Answer Questions)
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  2. If an em wave of wavelength lambda is incident on a photosensitive sur...

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  3. Write the three characteristic features in photoelectric effect which...

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  4. When a given photosensitive material is irradiated with light of frequ...

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  5. Draw and explain the graph showing the variation of stopping potential...

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  6. (a) State three important properties of photons which describe the par...

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  9. (i) How does one explain the emission of electron from a photosensitiv...

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  10. Plot a graph showing variation of de-broglie wavelength lambda versus ...

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  13. A proton and an alpha-particle are accelerated through same potential ...

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  14. A photon and an elecron have the same de Broglie wavelength. Which has...

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  15. Kinetic energy of proton is the same as that of an alpha-particle. Wha...

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  16. In the study of a photoelectric effect the graph between the stopping ...

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  17. Explain the term stopping potential and threshold frequency.

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  19. How does Davisson and Germer's experiment verify the wave nature of el...

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