write the approximate value of the following :
(i) m(neutron)/m(electron)
(ii) r(atom)/r(nucleus)
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Answer:
1. 0.183 × 10^4
2. 10^4 is correct
because mass of neutron is 1.67× 10^-27 kg and mass of electron is 9.1×10 ^-31 kg
radius of atom is 10^-10 m and radius of nucleus is 10^-14m.
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