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What is thresold frequency?...

What is thresold frequency?

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BINA LIBRARY-DUAL NATURE OF MATTER AND RADIATION-EXERCISE
  1. An electron is accelerated through a potential difference of 1000 V. W...

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  2. Find the dimestion of Planck's constant.

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  3. What is thresold frequency?

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  4. What is cut-off or stopping potential?

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  5. What is the momentum of a photon of frequency f and wavelength lamb...

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  6. What is rest mass of photon?

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  7. On what factor does the energy carried by a photon of light depend?

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  8. If maximum K.E. of electron emitted by a photo cell is 4 eV, what is t...

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  9. In what way de - Broglie wavelength lambdaof a particle is related to ...

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  10. How does the maximum K.E. of electron emitted vary with work function ...

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  11. Does work function depend on the frequency of incident radiation?

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  12. How does stopping potential vary on increasing the intensity of incide...

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  13. What is the frequency of radiation whose photon has energy 20 eV?

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  14. The work function of a metal is 3.45 eV. Calculate what should be the ...

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  15. A 100 watt sodium lamp is emitting light of W.L 5890Å . Calculate the ...

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

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  17. Find momentum of a photon of energy 1 Mev.

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  18. What is mutual inductance.

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  19. Can by increasing the intensity of incident radiation, velocity of emi...

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  20. How can you increase the velocity of photoelectrons? by increasing

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