Udith Asked a Question
May 16, 2020 9:48 pmpts 30 pts
How it is proved that the entire mass of the atom is in the centre of the atom?
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  • Vaishnavi rajora
    see the attached.
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  • Vaishnavi rajora
    and in alPha partcle scattering one particle in 20000 returns back so we consider maximum part is empty bcoz 19999 paericle skip.so
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  • Ruby negi
    hope you are getting..
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  • Abhishek singh thankyou
    In Rutherford alpha particle experiment, very few particles were reflected back by 180°(when the alpha beam pass through exactly the centre of nucleus) .. and other than that, almo...
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    Abhishek singh
    this will clear your doubts.
  • Vaishnavi rajora
    but in atomic physics we consider that both neuclus and electrons revolve about their centre of mass
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  • Ruby negi
    because all the alpha particles will deflected ,only 1 out of 10,000 particle is come back to its own path and this shows that there must be something (but very small) that is conc...
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  • Vaishnavi rajora
    its not always true we consider it bcoz protons are 1837 times heavy then electrons .so
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  • Ruby negi
    this is proved by Rutherford experiment that entire mass is present inside the nucleus of an atom
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    Udith
    ok but how it is proved that nucleus is in the center of the atom