g-
C-
n-
6. Ifs, be the specific charge (e/m) of cathode rays
and S, be that of positive ray then which is true?
1) S, S,
2)S,>S
3) S, <S
4) Any one of these
7. The massive particle among the following is
1) a - particle
2) Deuteron
3) Proton
4) B-particle
8. Which of the following statements about the
electron is incorrect?
1) It is a negatively charged particle.
2) The mass of electron is equal to the mass of
neutron
3) It is a basic constituent of all atoms.
4) It is a constituent of cathode rays.
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hi, I need ppints, thanks
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