Who conducted the cathode ray experiment to discover electron?
The subatomic particle called electron was discovered by :
(b) Neils Bohr
(c) James Chadwick
(d) E. Goldstein
Which subatomic particle was discovered by: (i) Chadwick? (ii) Thomson? (iii) Goldstein?
Which sub-atomic particle was discovered by
(a) Thomson (b) Goldstein (c) Chadwick.
Why did Thomson choose electric current only and also electrons were already discovered during the flow of electricity.why didn't Thomson choose any other rays or any thing to conduct the canal ray experiment.