explain Rutherford's Scattering Experiment
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Conclusion of Rutherford's scattering experiment: Most of the space inside the atom is empty because most of the α-particles passed through the gold foil without getting deflected.
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Rutherford bombarded a thin sheet of gold (of 0.00004 cm) with Alpha particles in an evacuated chamber.
Alpha particle is 4 times heavier as heavy as hydrogen atom and has two unit of positive charge .They are represented by Helium nuclei,as He2+. They are emitted by Radioactive elements .
OBSERVATIONS:
1)Most of the Alpha particles (nearly 99%) passed Straight Through the foil without any deflection from their path.
2)A small fraction of Alpha particles (about 1 in every 20,000) were deflected from their original path by small angles .
3)Only a few Alpha particles (about 1 in one million) almost bounced
back .
Rutherfod made following CONCLUSIONS :
1)Since most of the Alpha particles passed through the foil undeflected it indicates that most of the space in an atom is empty .
2)Alpha particles being positively charged and having considerable mass could be deflected by some heavy positively charged centre .
3)Bouncing back of Alpha particles indicated that positively charged Centre is rigid and any Alpha particle making head on collision is that deflected through large angle or bounced back .
Alpha particle is 4 times heavier as heavy as hydrogen atom and has two unit of positive charge .They are represented by Helium nuclei,as He2+. They are emitted by Radioactive elements .
OBSERVATIONS:
1)Most of the Alpha particles (nearly 99%) passed Straight Through the foil without any deflection from their path.
2)A small fraction of Alpha particles (about 1 in every 20,000) were deflected from their original path by small angles .
3)Only a few Alpha particles (about 1 in one million) almost bounced
back .
Rutherfod made following CONCLUSIONS :
1)Since most of the Alpha particles passed through the foil undeflected it indicates that most of the space in an atom is empty .
2)Alpha particles being positively charged and having considerable mass could be deflected by some heavy positively charged centre .
3)Bouncing back of Alpha particles indicated that positively charged Centre is rigid and any Alpha particle making head on collision is that deflected through large angle or bounced back .
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