1.

he cathode rays tube experiments carried out by J.J. Thomson demonstrated that

A. at ratio of charge to-mass for the particles of the cathode rays varies as different gases are placed in the tube
B. the mass of an atom is essentially all contained in its very small nucleus
C. cathode rays are streams of negatively charged ions
D. the charge-to-mass ratio for a proton
Answer» E.


Discussion

No Comment Found

Related MCQs