MCQ
The space between a proton and electron in hydrogen atom is:
- AFull of air
- BFull of ether
- CFull of electromagnetic radiations
- Dempty
Explanation:
Hydrogen atom contains one proton in the nucleus and one electron outside the nucleus.
The space between a proton and electron in hydrogen atom is empty.
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An object weighs 10N in air. When immersed fully in a liquid, it weighs only 8N. The weight of liquid displaced by the object will be:
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An object weighs 10N in air. When immersed fully in a liquid, it weighs only 8N. The weight of liquid displaced by the object will be: