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
Multiple Choice Questions
The number of electrons in an atom is equal to number of
FILL IN THE BLANK
The protons and neutrons are held firmly in the nucleus by strong .........................
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
WRITE SHORT ANSWER
What is the central part of an atom known as?
On the basis of Rutherford's model of an atom, which subatomic particle is present in the nucleus of an atom?
How was it shown that atom has empty space?
Name the following:
The element which does not contain any neutron in its nucleus.
What is meant by the term nucleus
Differentiate between the following term:
Nucleus and nucleons
