SOLVED:The electron, proton, and neutron were discovered, respectively, in 1897, 1919, and 1932. The neutron was late to the party, and some physicists felt that it was unnecessary to consider it as fundamental. Maybe it could be explained as simply a proton with an electron trapped inside it. The charges would cancel out, giving the composite particle the correct neutral charge, and the masses at least approximately made sense (a neutron is heavier than a proton). (a) Given that the diameter of

চেষ্টা চালিয়ে যাও! 💪 তোমার পরিকল্পনামতো না হলেও হতা*শ হয়ো না,নিশ্চয়ই আল্লাহই সর্বশ্রেষ্ঠ পরিকল্পনাকারী। 🤍 | Neutron Bd

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