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Red light, however bright, it cannot pro...

Red light, however bright, it cannot produce the emission of electrons from a clean zinc surface, but even weak from a clean zinc surfaces, but even weak ultraviolet radiation can do so, why?

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MODERN PUBLICATION-Particle Nature of Radiation-EXERCISE
  1. Red light, however bright, it cannot produce the emission of electrons...

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  2. What is photoelectric effect? State it laws?

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  3. What is photoelectric effect? State it laws?

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  4. State the four laws of photoelectric emission.

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  5. Explain the effect of increase of intensity of incident radiation on p...

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  6. With refrernece to the photoelectric effect,define the terms 'work fun...

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  7. With refrernece to the photoelectric effect,define the terms 'work fun...

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  8. What is phtotelecric effect?Explain the effect of increase of frequen...

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  9. What is phtotelecric effect?Explain the effect of increase of intensi...

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  10. Explain 'stopping potential' and 'threshold frequency' in photoelectri...

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  11. Plot a graph showing the variation of photoelectric current with anode...

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  12. Does the stopping potential in photoelectric emissiondepend upon the i...

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  13. Does the stopping potential in photoelectric emissiondepend upon the f...

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  14. In a plot of photoelectric current versus anode potential how does The...

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  15. In a plot of photoelectric current versus anode potential how does the...

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  16. In a plot of photoelectric current versus anode potential how does pho...

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  17. Define the term threshold frequency and stopping potential in relation...

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  18. Define the term threshold frequency and stopping potential in relation...

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  19. State the dependence of work function on kinetic energy of electrons e...

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  20. Explain 'stopping potential' and 'threshold frequency' in photoelectri...

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  21. Explain briefly, how classical theory could not explain the phenomenon...

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