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De-Broglie wave are associated with a mo...

De-Broglie wave are associated with a moving particle irrespective of.............on it.

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Radiation has dual nature, i.e., it possesess the properties of both, wave and particle. This prompted de-Broglie to prodict dual nature of moving material particles. Thus waves are associated with moving material particles which are called matter waves. The wavelength of matter waves is given by lambda=h/(mv) , where m is the mass, v is the speed of the particle and h is Planck's constant. Read the above paragraph and answer the following question: (i) How was the wave nature of electron established? (ii) What are the de-Broglie wavelength associated with a particle (i) at rest (ii) moving with infinite speed? (iii) What are the basic values displayed by this study?

PRADEEP-DUAL NATURE OF RADIATION AND MATTER-Exercise
  1. The intensity of light depends upon the.........present in light.

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  2. The momentum of a photon of energy E is............and of wavelength l...

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  3. De-Broglie wave are associated with a moving particle irrespective of....

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  4. The de-broglie wavelength of a photon of an electromagnetic radiation ...

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  5. A photon and electron have got same de-Broglie wavelength. Total energ...

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  6. The expression for de-Broglie wavelength of an electron moving under a...

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  7. The main aim of Davisson-Germer experiment is to verify............ .

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  8. Given in fig. is the graph between frequency v of the incident light a...

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  9. For photoelectric effect in sodium, fig. shows the plot of cut-off vol...

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  10. When light of wavelength 400nm is incident on the cathode of photocell...

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  11. Radiation of a certain wavelength causes electrons with a maximum kine...

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  12. The electric field associated with a monochromataic beam of light beco...

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  13. Ultraviolet light of wavelength 800 A and 700 A when allowed to fall ...

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  14. Light of wavelength 2000 Å falls on an aluminium surface . In aluminiu...

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  15. The maximum wavelength for which an em wave can ejected electrons form...

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  16. Find the frequency of light which ejects electrons from a metal surfac...

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  17. The work fuction of caseium is 1.8 eV. Light of 4500Å is incident on i...

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  18. Find the difference of kinetic energies of photoelectrons emitted from...

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  19. The electric field associated with a light wave is given by E=E(0)sin[...

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  20. A photon of wavelength 3310Å falls on a photocathode and an electron o...

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