Discussion Forum
Que. | Properties of electron and protons were completely discovered in |
a. | 1895 |
b. | 1899 |
c. | 1900 |
d. | 1980 |
Correct Answer:1895
|
Que. | Properties of electron and protons were completely discovered in |
a. | 1895 |
b. | 1899 |
c. | 1900 |
d. | 1980 |
Correct Answer:1895
|