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प्रश्न
Which metal did rutherford select for his `alpha` particle scattering experiment and why?
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उत्तर
Rutherford selected a thin sheet of gold for his experiment because for his experiment he wanted a very thin sheet for examining the atoms and gold has a high property of melleability.
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संबंधित प्रश्न
Multiple Choice Questions
The number of electrons in an atom is equal to number of
Complete the table below by identifying A, B, C, D, E and F.
FILL IN THE BLANK
The protons and neutrons are held firmly in the nucleus by strong .........................
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.
Which part of atom was discovered by Rutherford?
How was it shown that atom has empty space?
‘Electrons revolve around the nucleus in fixed orbits or shells called energy levels’. State how these energy levels are represented.
What is meant by the term nucleus
