Science
easyQ. No. 15070-who-discovered-the-neutron
Who discovered the neutron?
Last Updated:
AErnest Rutherford
BGoldstein
CJ.J. Thomson
DJames Chadwick
Correct Answer: James ChadwickYour Answer: D
Explanation
The correct answer is Option D — James Chadwick. James Chadwick, a British physicist, discovered the neutron in 1932. The neutron is a neutral (no charge) subatomic particle found in the nucleus of atoms. Option A (Ernest Rutherford): Rutherford proposed nuclear model and discovered proton existence, but NOT neutron. Option B (Goldstein): Goldstein discovered canal rays (positive rays/protons) in 1886, NOT neutrons. Thomson): Thomson discovered the electron in 1897, NOT neutron.
Related Questions
View All15107-what-is-the-significance-of-india-s-three-stage-nuclear-power-programWhat is the significance of India's three-stage nuclear power pro...15106-during-nuclear-fission-of-u-235-how-many-neutrons-are-approximately-released-per-fission-eventDuring nuclear fission of U-235 how many neutrons are approximate...15105-which-country-conducted-the-first-nuclear-test-and-what-was-it-calledWhich country conducted the first nuclear test and what was it ca...