Who invented the first practical modern revolver firearm in 1836? MCQ with Answer and Explanation
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Question #1
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Who discovered that white light is a mixture of seven fundamental component colors using a prism?
Correct Answer: Option A
Explanation:
Sir Isaac Newton proved through prism experiments that white light decomposes into a continuous spectrum of colors.
Sir Isaac Newton proved through prism experiments that white light decomposes into a continuous spectrum of colors.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered that light waves exhibit distinct transverse oscillation directions when passing through tourmaline crystals, establishing Polarization?
Correct Answer: Option B
Explanation:
Bartholin discovered double refraction in Iceland spar, and Malus formalized optical polarization laws by reflection properties.
Bartholin discovered double refraction in Iceland spar, and Malus formalized optical polarization laws by reflection properties.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that certain types of chemical reactions produce electricity spontaneously, formalizing electrochemical cells?
Correct Answer: Option D
Explanation:
Galvani observed muscle contractions from static discharges, and Volta channeled this into the continuous current metallic pile.
Galvani observed muscle contractions from static discharges, and Volta channeled this into the continuous current metallic pile.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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