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Anode rays were discovered by -
(a) Goldstein (b) J. Stoney
(c) Rutherford (d) J.J. Thomson
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(a)Goldstein
7 years ago
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SSC Other Question
What is the ratio of mass of an electron to the mass of
a proton -
(a) 1 : 2 (b) 1 : 1
(c) 1 : 1837 (d) 1 : 3
The number of electrons in one molecule of CO2 are -
(a) 22 (b) 44 (c) 66 (d) 88