Physics Notes Short Questions “NUCLEAR PHYSICS”

Q. 12 Define mass number?

Q. 13 How much is a nucleon heavier than electron ?

Q. 14 Who discovered an electron ?

Q. 15 Who discovered a proton ?

Q. 16 Who discovered a positron ?

Q. 17 Who found out the charge on an electron ? ‘

Q 18 Who discovered anti proton?

Q. 19 How the nucleus of an atom is represented ?

Q. 20 Find the charge number, mass number and number of neutron in the nucleus of U-238?

Q. 21-How much mass may be concentrated in the nucleus of atom ?

Q. 22 Define isotopes?              

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