Enlist the conclusions drawn by Rutherford from his $\alpha -$ ray scattering experiment.
(N/A) Rutherford concluded from the $\alpha -$ particle scattering experiment that:
$(i)$ Most of the space inside the atom is empty because most of the $\alpha -$ particles passed through the gold foil without getting deflected.
$(ii)$ Very few particles were deflected from their path,indicating that the positive charge of the atom occupies very little space.
$(iii)$ $A$ very small fraction of $\alpha -$ particles were deflected by $180^o$,indicating that all the positive charge and mass of the gold atom were concentrated in a very small volume within the atom.
From the data,he also calculated that the radius of the nucleus is about $10^5$ times smaller than the radius of the atom.
$(i)$ Most of the space inside the atom is empty because most of the $\alpha -$ particles passed through the gold foil without getting deflected.
$(ii)$ Very few particles were deflected from their path,indicating that the positive charge of the atom occupies very little space.
$(iii)$ $A$ very small fraction of $\alpha -$ particles were deflected by $180^o$,indicating that all the positive charge and mass of the gold atom were concentrated in a very small volume within the atom.
From the data,he also calculated that the radius of the nucleus is about $10^5$ times smaller than the radius of the atom.
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Similar Questions
During class,Ravi's teacher was teaching about Thomson's model of an atom,stating that an atom is electrically neutral,i.e.,it contains equal positive and negative charges,and that an atom consists of a sphere of positive charge in which electrons are embedded like plums in a pudding. Ravi wondered how his teacher related Thomson's model of an atom to a plum pudding,and he imagined that just as dry fruits are embedded in a Christmas pudding,electrons are embedded in a sphere of positive charge.
$(a)$ According to you,what kind of qualities does Ravi possess?
$(b)$ What are the limitations of Thomson's model?
$(a)$ According to you,what kind of qualities does Ravi possess?
$(b)$ What are the limitations of Thomson's model?
Medium
View SolutionIn the Thomson's model of atom,which of the following statements are correct?
$(i)$ The mass of the atom is assumed to be uniformly distributed over the atom.
$(ii)$ The positive charge is assumed to be uniformly distributed over the atom.
$(iii)$ The electrons are uniformly distributed in the positively charged sphere.
$(iv)$ The electrons attract each other to stabilize the atom.
$(i)$ The mass of the atom is assumed to be uniformly distributed over the atom.
$(ii)$ The positive charge is assumed to be uniformly distributed over the atom.
$(iii)$ The electrons are uniformly distributed in the positively charged sphere.
$(iv)$ The electrons attract each other to stabilize the atom.
Easy
View SolutionRutherford's $\alpha$-particle scattering experiment showed that:
$(i)$ electrons have negative charge
$(ii)$ the mass and positive charge of the atom is concentrated in the nucleus
$(iii)$ neutron exists in the nucleus
$(iv)$ most of the space in the atom is empty
Which of the above statements are correct?
$(i)$ electrons have negative charge
$(ii)$ the mass and positive charge of the atom is concentrated in the nucleus
$(iii)$ neutron exists in the nucleus
$(iv)$ most of the space in the atom is empty
Which of the above statements are correct?
Easy
View Solution$(a)$ Why did Rutherford choose gold and not any other lighter element (such as aluminium) for his experiment? Explain your answer giving two reasons.
$(b)$ Write the name and symbol of the particle chosen by Rutherford for bombardment against the gold foil in his experiment.
$(b)$ Write the name and symbol of the particle chosen by Rutherford for bombardment against the gold foil in his experiment.
Medium
View SolutionWhy did Rutherford select a gold foil in his $\alpha$-ray scattering experiment?
Easy
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