Who discovered that light exhibits particle-like momentum in scattering collisions with electrons, proving photon theory? MCQ with Answer and Explanation

Question

Who discovered that light exhibits particle-like momentum in scattering collisions with electrons, proving photon theory?

A. Albert Einstein

B. Max Planck

C. Arthur Compton

D. Niels Bohr

Answer: Option C

Solution (By JKSSB Mock Tests)

Arthur Compton discovered the Compton Effect in 1923, providing explicit proof that light acts as discrete localized particles.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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The cell was first discovered and named by whom in 1665?

A. Robert Hooke

B. Matthias Schleiden

C. Theodor Schwann

D. Anton van Leeuwenhoek

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Correct Answer: Option A

Explanation:
Robert Hooke discovered plant cells in cork tissue under a primitive microscope in 1665 and coined the term 'cell'.

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Question #2

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Who discovered that the element Thorium is radioactive, independently of Marie Curie's tracking experiments?

A. Otto Hahn

B. Gerhard Carl Schmidt

C. Henri Becquerel

D. Ernest Rutherford

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Correct Answer: Option B

Explanation:
Gerhard Carl Schmidt discovered thorium's radioactivity in 1898, publishing his findings just weeks before Marie Curie.

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Question #3

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Who discovered Vitamin C (ascorbic acid) and its role in preventing scurvy, winning a Nobel Prize in 1937?

A. Albert Szent-Györgyi

B. Frederick Hopkins

C. Casimir Funk

D. Linus Pauling

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Correct Answer: Option A

Explanation:
Albert Szent-Györgyi isolated Vitamin C and discovered its metabolic components, receiving the Nobel Prize in Physiology or Medicine.

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