The Scientist Chadwick in 1932 discovered?
سائنس دان چاڈوک نے 1932 میں ____ دریافت کیا؟
- Proton
- Neutron
- Electron
- Positron
Explanation
James Chadwick is known for his discovery of the neutron in 1932.
Proton: Protons were discovered by Ernest Rutherford, before neutrons.
Electron: Electrons were discovered by J.J. Thomson, much earlier than protons or neutrons.
Positron: A positron is the antiparticle of an electron, and it was discovered by Carl Anderson in 1932.
Related MCQs
- Reactive metals
- Alkali metals
- Noble metals
- Transition metals
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کاربونیٹڈ پانی کس چیز کا محلول ہے؟
- Water oxidised by carbon at high temper
- Carbon in water under high pressure
- Carbon is oxidised by water under high pressure
- None of these
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کس قسم کے ردِعمل میں کے سی درجہ حرارت کے ساتھ براہِ راست بڑھتا ہے؟
- Neutralization reaction
- Endothermic
- Exothermic
- None of these
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درج ذیل میں سے کون سا تیزابی بفر ہے؟
- HCN+NaCN
- CH3COOH+NH4Cl
- HCl+NaCl
- HCL+NH4Cl
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- Electricity
- Freezer
- O₂
- None of these
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