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CDS I 2020
Question #370
Nuclear & Energy Technology
Copy
Scattering of a-particles by a thin gold foil suggests the presence of
A
electron in an atom
B
proton in an atom
C
positively charged nucleus at the centre of
D
isotopes of gold
Pick an option above to test your answer
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Subject:
Science & Technology
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Scattering of a-particles by a thin gold foil suggests the presence of | CDS I 2020 Solved PYQ | UPSCGPT