Let mass of electron is half, mass of proton is two times and mass of neutron is three fourth of original. Then find out new atomic wt. of O16 atom
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a
Increases by 37.5%
b
Remain constant
c
Increases by 12.5%
d
Decreases by 25%
answer is A.
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Detailed Solution
Mass of electron is negligibleO16 contains protons = 8 neutrons = 8 Proton mass doubled and neutron mass become 34th mass number = 8×2 +8×34=22Increase in % = 22-1616×100=37.5