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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.
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
How was it shown that an atom has a lot of empty space within it?
Rutherford's alpha particle scattering experiment led to the discovery of :
How was it shown that atom has empty space?
Which of the following statements about Rutherford’s model of atom are correct?
(i) considered the nucleus as positively charged
(ii) established that the α–particles are four times as heavy as a hydrogen atom
(iii) can be compared to solar system
(iv) was in agreement with Thomson’s model
Why did Rutherford select a gold foil in his α–ray scattering experiment?
Proton was discovered by ______.
Which of the following conclusions could not be derived from Rutherford’s α -particle scattering experiment?
To study the internal structure of the atom, Rutherford used ______.
In Geiger - Marsden scattering experiment, the trajectory traced by an α-particle depends on ______.
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?
