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Physics
JJ Thomson's cathode ray experiment demonstrated that,
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Q. $JJ$ Thomson's cathode ray experiment demonstrated that,
Atoms
A
cathode rays are stream of ions
B
all the mass of an atom is situated in the nucleus
C
the $e / m$ of electrons is greater than the $e / m$ of protons
D
the $e / m$ ratio of the cathode ray particles change when a different gas is placed in the cathode rays
Solution:
Correct answer is (c) the $e / m$ of electrons is greater than the $e / m$ of protons