The invention of the dynamite is credited to which Swedish chemist? MCQ with Answer and Explanation
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Question #1
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Who discovered that light waves can be deflected and focused by intense gravitational fields, a phenomenon known as gravitational lensing?
Correct Answer: Option A
Explanation:
Albert Einstein predicted gravitational lensing under his General Theory of Relativity, which was later observed observationally.
Albert Einstein predicted gravitational lensing under his General Theory of Relativity, which was later observed observationally.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The invention of the first practical steam engine, the atmospheric engine, was completed by whom?
Correct Answer: Option A
Explanation:
Thomas Newcomen constructed the first practical piston-driven condensing atmospheric engine in 1712 to pump water from mines.
Thomas Newcomen constructed the first practical piston-driven condensing atmospheric engine in 1712 to pump water from mines.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that atomic structure configurations present discrete filling layers regulated by spin exclusion principles?
Correct Answer: Option B
Explanation:
The Pauli Exclusion Principle states that no two electrons in an atom can occupy the exact same quantum state simultaneously.
The Pauli Exclusion Principle states that no two electrons in an atom can occupy the exact same quantum state simultaneously.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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