Who performed the above experiment?
a) J.J. Thomson b) Rutherford
c) N. Bohr d) E. Goldstein
ii) The above experiment led to the discovery of ____________.
a) Electron b) Proton
c) Nucleus in the atom d) Atomic mass
iii) When alpha-particles are sent through a thin metal foil, most of them go
straight through the foil because –
a) particles are positively charged.
b) particles are much smaller than electrons.
c) particles move with low velocity.
d) Most part of the atom is empty.
iv) Which of the following statements about this experiment are correct?
a) Considered the nucleus as positively charged.
b) Established that the particles are four times as heavy as a
hydrogen atom.
c) Can be compared to solar system.
d) Was in agreement with Thomson's model.
A) (a) and (c) B) (b) and (c)
C) (a) and (d) D) only (a)
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I cannot see the above experiment, attach properly
Answered by
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Answer:
umm attachments are not there dear brother or sister.
I hope you understand , so sorry
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