Who formulated the quantum theory, establishing that energy is emitted in discrete packets called quanta? MCQ with Answer and Explanation

Question
Who formulated the quantum theory, establishing that energy is emitted in discrete packets called quanta?
A. Albert Einstein
B. Louis de Broglie
C. Werner Heisenberg
D. Max Planck
Answer: Option D
Solution (By JKSSB Mock Tests)
Max Planck introduced quantum theory in 1900, originating Planck's constant ($h$), and won the 1918 Nobel Prize.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Practice More Inventions and Discoveries Questions

Question #1
The invention of the highly stable high-speed ship hull configuration known as the Hydrofoil was patented by whom?
A. John Ericsson
B. Robert Fulton
C. Charles Parsons
D. Enrico Forlanini and Alexander Graham Bell
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Correct Answer: Option D

Explanation:
Forlanini and Bell developed wings that lifted boat hulls out of the water to eliminate surface drag friction.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered the law of electromagnetic induction in 1831?
A. Michael Faraday
B. Hans Christian Ørsted
C. James Clerk Maxwell
D. Heinrich Hertz
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Correct Answer: Option A

Explanation:
Michael Faraday discovered electromagnetic induction, leading to the development of electric generators and transformers.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
Who discovered the law of conservation of mass in chemical reactions?
A. Robert Boyle
B. John Dalton
C. Joseph Priestley
D. Antoine Lavoisier
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Correct Answer: Option D

Explanation:
Antoine Lavoisier formulated the Law of Conservation of Mass in 1789, proving that mass is neither created nor destroyed in chemical transformations.
This question belongs to: Static General Knowledge Inventions and Discoveries
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