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प्रश्न
(a) What is the nucleus of an atom and what is the nature of charge on it?
(b) Name the scientist who discovered the nucleus of atom.
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उत्तर
(a) The nucleus is a very dense region at the centre of an atom, consisting of protons and neutrons. The charge of the nucleus is positive as it contains protons which are positively charged and neutrons which are neutral.
(b) Ernest Rutherford discovered the nucleus of an atom.
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संबंधित प्रश्न
What are the limitations of Rutherford’s model of the atom?
In Rutherford’s experiment, generally the thin foil of heavy atoms, like gold, platinum etc. have been used to be bombarded by the α-particles. If the thin foil of light atoms like aluminium etc. is used, what difference would be observed from the above results?
State whether the following statement is true or false :
Thomson proposed that the nucleus of an atom contains protons and neutrons.
Which part of an atom was discovered by Rutherford's alpha particle scattering experiment?
Give the evidence for the existence of nucleus in an atom.
Describe the Rutherford's model of an atom. State one drawback of Rutherford's model of the atom.
Draw a neat labelled diagram
Rutherford's scattering experiment
In what way is the Rutherford’s atomic model different from that of Thomson’s atomic model?
Rutherford’s model of an atom has a very small ______ at the center.
When an α-particle happens to come near a nucleus the intense electric field of these scatters it through a large angle then what is the effect of atomic electrons on α-particle?
