Advertisements
Advertisements
प्रश्न
Explain in brief the experimental proof which led to the discovery of –
Atomic nucleus
Advertisements
उत्तर
Discovery of Atomic Nucleus: Lord Rutherford in 1911 directed alpha particles (42He) towards gold foil. The deflection of the alpha particles was observed and concluded that there was a nucleus at the centre of atom which was positively charged dense very small space (solid) called the nucleus.
APPEARS IN
संबंधित प्रश्न
Give the following a suitable word/phrase.
The number of protons present in the nucleus of an atom.
FILL IN THE BLANK
Amount of energy stored inside the ..................... is known as nuclear energy.
FILL IN THE BLANK
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
ANSWER IN DETAIL
What are the various components of a nuclear power plant?
ANSWER IN DETAIL
How are radioactive radiations useful in medicines ?
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.
What is meant by the term nucleus
