A) J.J. Thomson
B) Neil Bohr
C) James Chadwick
D) Mullikan
Correct Answer: A
Solution :
[a] | J.J. Thomson | Determined charge on electron |
[b] | Neil Bohr | Gave structure of atom |
[c] | James Chadwick | Discovered neutron |
[d] | Mullikan | Carried out oil drop experiment |
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