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Define the term "threshold frequency ", ...

Define the term "threshold frequency ", in the context of photolelectric emission.

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It is the minimum frequency of incident radiation (light) that can cause photoemission from a given photosensitive surface.
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MODERN PUBLICATION-DUAL NATURE OF RADIATION AND MATTER -Revision Exercises (Very Short Answer Questions)
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  2. How can we consider cathode rays as negatively charged particles ?

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  3. Define the term "threshold frequency ", in the context of photolelectr...

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  4. What type of oil should be used in Millikan's oil drop experiment ?

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  5. What do you mean by work function of metal ?

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  6. Plot a graph of the de - Broglie wavelength associated with a proton v...

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  7. What is de-Broglie wavelength of the electron accelerated through a po...

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  8. Define the term 'stopping potential' in relation to photoelectric effe...

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  9. Einsteins photoelectric equation is

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  10. Draw a graph between intensity of light and photoelectric current for ...

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  11. Mention any two types of electron emission.

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  12. How does kinetic energy of ejected photoelectrons depend upon the freq...

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  13. Explain with the help of Einstein's photoelectric equation any two obs...

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  14. At the stopping potential, photoelectric current is "".

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  15. Draw a graph between stopping potential and the frequency of two metal...

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  16. THERMIONIC EMISSION

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  17. SECONDARY EMISSION

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  18. FIELD EMISSION

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  19. Green light ejects photoelectrons from a given photosenstive surface w...

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  20. Production of X - ray and emission of electron in photoelectric effect...

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