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If an em wave of wavelength lambda is in...

If an em wave of wavelength `lambda` is incident on a photosensitive surface of negligible work function. If the photoelectrons emitted from this surface have the de-Broglie wavelength `lambda_1`, prove that
`lambda=((2mc)/h)lambda_1^2`

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MODERN PUBLICATION-DUAL NATURE OF RADIATION AND MATTER -Revision Exercises (Short Answer Questions)
  1. Draw a plot showing the variation of photoelectric current with collec...

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

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  3. If an em wave of wavelength lambda is incident on a photosensitive sur...

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

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

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

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

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  8. In a plot of photoelectric current versus anode potential, how does ...

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  9. fig. shows variation of stopping potential (V0) with frequency (v) for...

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

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

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  12. A proton and deutron are accelerated through the same accelerating pot...

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  13. Derive an expression for the de Broglie wavelength associated with an ...

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

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

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

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

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  18. Explain the term stopping potential and threshold frequency.

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  19. The given graph shows the variation of KE with frequency of incident ...

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

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