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2011-11-16, 14:19
ÃÑÌæÇÇÇÇÇÇÇÇÇÇÇÇÇÇ Íá ÇáÊãÑíä ÇáÊÇáí ÇáÂä :ÅÐÇ ÚáãÊ Ãä ÞØÑ äæÇÉ ÐÑÉ ÇáåíÏÑæÌíä íÈáÛ ÍæÇáí 2*10ÃÓ 3- PICO METRE æÞØÑ ÐÑÊåÇ íÈáÛ PICO530 METRE ÊÞÑíÈÇ ßã íÕÈÍ äÕÝ ÞØÑ åÐå ÇáÐÑÉ ÅÐÇ ãËáäÇ äæÇÊåÇ ÈßÑíÉ ÞØÑåÇ 3.8 CM .
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:dj_17:
ammar_phys
2011-11-16, 16:13
well!
içi on peut écrire le rapport suivant :
(3.8*10-10)/2r=x/2R
r: demi-rayon du noyau
R: demi-rayon de l'atome d'hydrogène.
Rappelez que : 1pm=10-12m=10-10cm
I hope that this helps you.
la valeur de x vous montre que l'atome est constitué du vide..
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