2.
The ratio of mass of an electron to that of the mass of hydrogen atom is
(1) 1: 3871
211: 1837
(3) 1: 1296
(4) 1 : 3781
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0
Answer:
is it 11:1837? may be it is wrong
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4
Answer:
1. 1837 hope it is helpfull and follow me
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