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How frequency of incident radiation is changed in experiment of photoelectric effect?

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KUMAR PRAKASHAN-DUAL NATURE OF RADIATION AND MATTER-Section-A Try yourself
  1. For most metals threshold frequencies lie in which region?

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  2. For alkali metals threshold frequencies lie in which region?

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  3. How frequency of incident radiation is changed in experiment of photoe...

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  4. How intensity of incident radiation is changed in experiment of photoe...

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  5. No. of photoelectrons emitted varies with which physical quantity?

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  6. What is saturation current?

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  7. What is stopping potential?

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  8. What is cut-off potential ?

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  9. Energy of photoelectron depends on which factors?

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  10. What phenomena of light can be explained on the basis of wave theory o...

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  11. Why wave theory can not explain change in energy of electron with chan...

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  12. "with increase in frequency of light incident number of electrons emit...

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  13. What is called as quantum of energy ?What is its energy?

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  14. Write value and unit of plank's constant.

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  15. What is intensity of radiation (light)?

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  16. How intensity of radiation is determined?

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  17. How maximum kinetic energy of photoelectron depend on frequency ?it do...

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  18. Why maximum kinetic energy of photoelectron cannot be negative?

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  19. What is slope of V(0)tov graph ?Write its equation .Also mention wheth...

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  20. Write slope of eV(0)tov graph.

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