M Mr. Dubey π Coach β 103.24K Points π Physics Q. Cathode rays were discovered by (A) Rutherford (B) Dirac (C) J. J. Thomson (D) Lord Kelvin ποΈ Show Answer π Share β‘Menu β Correct Answer: (C) J. J. Thomson You must be Logged in to update hint/solution π¬ Discussion π¬ Comment