The invention of the first functional high-voltage electrostatic generator capsule was designed by whom? MCQ with Answer and Explanation
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Question #1
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The first practical solar cell capable of converting significant sunlight into electricity was invented by whom at Bell Labs?
Correct Answer: Option B
Explanation:
In 1954, Pearson, Fuller, and Chapin developed the silicon photovoltaic cell, achieving around 6% energy efficiency.
In 1954, Pearson, Fuller, and Chapin developed the silicon photovoltaic cell, achieving around 6% energy efficiency.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who invented the first functional integrated circuit (microchip) in 1958?
Correct Answer: Option B
Explanation:
Jack Kilby of Texas Instruments constructed the first working monolithic integrated circuit on a germanium chip, winning a Nobel Prize.
Jack Kilby of Texas Instruments constructed the first working monolithic integrated circuit on a germanium chip, winning a Nobel Prize.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that the chemical element Boron is isolated by reacting boric acid with potassium metal?
Correct Answer: Option B
Explanation:
Gay-Lussac and Thénard independently isolated elemental boron in 1808, around the same time as Sir Humphry Davy.
Gay-Lussac and Thénard independently isolated elemental boron in 1808, around the same time as Sir Humphry Davy.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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