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Madhya Pradesh Police Exam Model Paper 6
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Question : 88 of 101
Marks:
+1
,
-0
The nucleus of an atom was discovered by:
J.J. Thomson’s experiment
Chadwick’s experiment
Rutherford’s gold foil experiment
Millikan’s oil drop experiment
Validate
Solution:
The correct answer is
Rutherford's gold experiment
.
Rutherford’s gold foil experiment
- It measured the
scattering of an alpha particle beam when it strikes a thin metal foil - the discovery of Nucleus
.
J.J. Thomson’s experiment
- Cathode-ray tubes - showed that all atoms contain tiny negatively charged subatomic particles -
the discovery of electrons
.
Chadwick’s experiment
- bombarded Beryllium with alpha particles from the natural radioactive decay of Polonium. -
discovered the neutron
Millikan’s oil drop experiment
- the charge of an electron was determined.
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