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प्रश्न
What is meant by the term nucleus
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उत्तर
“Subatomic part of the atom which is very small as compared to the size of, atom positively charged, massive and dense present at the centre of the atom.”
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संबंधित प्रश्न
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The protons and neutrons are held firmly in the nucleus by strong .........................
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Amount of energy stored inside the ..................... is known as nuclear energy.
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Nuclear energy can be used to make ..........................
Tick the most appropriate answer
Which one of the following scientists put forward the theory regarding the extra-nuclear structure of the atom?
- James Chadwick
- John Dalton
- Rutherford
- Niels Bohr
Tick the most appropriate answer.
Which of the following is used as a coolant in nuclear reactor?
- liquid sodium
- liquid nitrogen
- cadmium steel rods
- plutonium
TRUE \ FALSE
Uranium-235 and uranium-238 both undergo nuclear fission.
What are nucleons? How many nucleons are present in phosphorus? Draw its structure.
Name the following:
The element which does not contain any neutron in its nucleus.
Explain in brief – Lod Rutherford’s experiment which led to the discovery of the atomic nucleus.
Explain in brief the experimental proof which led to the discovery of –
Atomic nucleus
