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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 do you think would be the observation if the α-particle scattering experiment is carried out using a foil of a metal other than gold?
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?
What important information is furnished about the nucleus of an atom by the alpha particle scattering experiment of Rutherford?
Name the particles used by Rutherford in his experiment on the discovery of nucleus. Also state the charge on these particles.
State true or false. If false, correct the statement.
In an atom, electrons revolve around the nucleus in fixed orbits.
Rutherford’s α-particle scattering experiment led to the discovery of the ———
Proton was discovered by ______.
Higher-Order Thinking skills: (HOTS)
In Rutherford's experiment of scattering alpha particles, can we take a foil of any other metal instead of gold?
In Geiger - Marsden scattering experiment, the trajectory traced by an α-particle depends on ______.
