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The de broglie wavelength of a moving el...

The de broglie wavelength of a moving electron is physically important quality, but that of a moving cricket ball has no pertical significance - why?

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CHHAYA PUBLICATION-QUANTUM THEORY-Exercise (Short Answer Type Questions- I)
  1. If the anode of a photoelecric cell is given a slightly negative poten...

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  2. Photoelectric effect is the opposite phenomenon of X-ray emission'. Ex...

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  3. In spite of being a massless particle, a photon has some momentum-expl...

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  4. An electron and a proton have the same de Broglie wavelength. Which on...

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  5. Why can a matter wave not be represented by a pure sinusoidal wave?

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  6. An electron of charge e and mass m is acceleration from rest with a po...

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  7. A strong red ligh cannot be emit photoelectrons from a metal surface, ...

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  8. A metal surface does not emit any electron if the energy of incident r...

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  9. The de broglie wavelength of a moving electron is physically important...

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  10. The frequerncy of incident radiation is greater than threshold frequen...

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  11. If the frequency of incident radiation on a photocell is doubled for t...

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  12. Show that the de Broglie wavelength of charged particles accelerated t...

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  13. A source of light is placed at a distance of 50cm from a photocell and...

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  14. How does (i) photoelectric current and (ii) kineic energy of the photo...

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  15. Does the 'stopping potential' in photoelectric emission depend upon (i...

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  16. Explain the effect of increase of (i) frequency (ii) intensity of the ...

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  17. For a photosensitive surface, threshold wavelength islamda(0). Does ph...

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  18. An electron and a proton are moving in the same direction and posses s...

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