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प्रश्न
Differentiate between the following term:
Nucleus and nucleons
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उत्तर
Differentiate between:
Nucleus:
- Nucleus is central space of atom. It is solid massive, positively charged, dense, and very-very small as compared to the size of an atom.
Nucleons:
- Nucleons are the sum of protons and neutrons, present in the nucleus.
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संबंधित प्रश्न
Give the following a suitable word/phrase.
The number of protons present in the nucleus of an atom.
FILL IN THE BLANK
The protons and neutrons are held firmly in the nucleus by strong .........................
FILL IN THE BLANK
Amount of energy stored inside the ..................... is known as nuclear energy.
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
WRITE SHORT ANSWER
What is the central part of an atom known as?
ANSWER IN DETAIL
How are radioactive radiations useful in medicines ?
State Dalton's atomic theory.
Which metal did rutherford select for his `alpha` particle scattering experiment and why?
‘Electrons revolve around the nucleus in fixed orbits or shells called energy levels’. State how these energy levels are represented.
Explain in brief the experimental proof which led to the discovery of –
Atomic nucleus
