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प्रश्न
What are the observations of the experiment done by Rutherford in order to determine the structure of an atom?
उत्तर
Following were the observations made by Rutherford:
- Most of the alpha particle passed straight through the foil without any deflection from their path.
- A small fraction of them were deflected from their original path by small angles.
- Only a few particles bounced back
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संबंधित प्रश्न
Write true or false for the following statement
The central pad of the atom is called nucleus.
Give the following a suitable word/phrase.
The sum of the number of protons and neutrons of an atom.
Tick the most appropriate answer.
Which of the following scientists observed that cathode rays consists of negatively charged particles?
- John Dalton
- J J Thomson
- James Chadwick
- Democritus
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
WRITE SHORT ANSWER
What is the charge on a neutron ?
Why is an atom neutral inspite of the presence of charged particles in it?
State the location of electrons, protons and neutrons in an atom.
Name the sub-atomic particle whose charge is 0.
Define the term Mass number.
What is meant by the term subatomic particles?
