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What is photoelectric effect? Why is pho...

What is photoelectric effect? Why is photo electric current proportional to the intesity of incident radiation?

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BINA LIBRARY-DUAL NATURE OF MATTER AND RADIATION-EXERCISE
  1. Explain Einstein's photo electric equation.

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  2. Write down Einstein's photo electric equation and explain each of its ...

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  3. What is photoelectric effect? Why is photo electric current proportion...

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  4. Difine ther terms Work function with reference to photoelectric effe...

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  5. What is threshold frequency in the photoelectric effect?

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  6. Define the term Stopping potential with reference to photoelectric ...

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  7. Explain the functioning of a photo cell. Give its two uses.

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  8. Express wavelength of matter wave as lambda = h/sqrt(2mEk)

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  9. Derive the expression for de Broglie wavelength of an electron moving ...

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  10. Describe Davisson and Germer experiment to establish the wave nature o...

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  11. Which law in classical physics is used in Einstein's photoelectric equ...

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  12. Explain why radio waves can not produce photoelectrons from metals, wh...

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  13. Two metals X and Y have work functions 2eV and 5eV respectively. Which...

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  14. Which surface have more friction – rough or smooth ? Why ?

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  15. Give two examples where rolling friction is utilized

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  16. Why are de - Broglie waves associated with a moving football not visib...

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  17. An electron, alphaparticle and proton have the same kinetic energy .Wh...

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  18. An electron, alphaparticle and proton have the same de- Broglie wavele...

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  19. An electron, alphaparticle and proton have the same de- Broglie wavele...

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  20. An electron of mass m anc charge e initially at rest is accelerated by...

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