Who is known for inventing the first commercially viable steam engine with a separate condenser? MCQ with Answer and Explanation

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Who is known for inventing the first commercially viable steam engine with a separate condenser?

A. George Stephenson

B. Robert Fulton

C. James Watt

D. Thomas Newcomen

Answer: Option C

Solution (By JKSSB Mock Tests)

James Watt radically improved the Newcomen steam engine by introducing a separate condenser, driving the Industrial Revolution.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Who discovered that atomic structural properties are governed by specific continuous wave function coordinates, formulating Wave Mechanics?

A. Max Born

B. Niels Bohr

C. Erwin Schrödinger

D. Werner Heisenberg

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Correct Answer: Option C

Explanation:
Erwin Schrödinger formulated the Schrödinger Equation in 1925, introducing wave function dynamics to quantum models.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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Who invented the first practical electronic pocket calculator, introduced commercially in 1970?

A. Charles Babbage

B. Douglas Engelbart

C. Alan Turing

D. Sanyo and Texas Instruments teams

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Correct Answer: Option D

Explanation:
Sanyo's ICC-0081 and Texas Instruments' 'Cal-Tech' project initiated the mass scaling of hand-held microelectronic computation.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

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Who discovered the antibiotic Streptomycin, the first effective cure for tuberculosis, winning a Nobel Prize in 1952?

A. Howard Florey

B. Alexander Fleming

C. Edward Abraham

D. Selman Waksman

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Correct Answer: Option D

Explanation:
Selman Waksman discovered several antibiotics produced by soil microbes, including streptomycin.

This question belongs to: Static General Knowledge Inventions and Discoveries

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