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. Arthur Compton

B. Albert Einstein

C. Niels Bohr

D. Max Planck

Answer: Option A

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

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Inventions and Discoveries Questions

Question #1

Share Report

The first practical mechanical sewing machine was patented by whom in 1846?

A. Walter Hunt

B. Eli Whitney

C. Elias Howe

D. Isaac Singer

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
Elias Howe patented the first practical lockstitch sewing machine in the United States in 1846.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

Share Report

Who discovered that the planet Saturn has a prominent ring system and its largest moon, Titan?

A. William Herschel

B. Galileo Galilei

C. Christiaan Huygens

D. Giovanni Cassini

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
Christiaan Huygens correctly identified Saturn's rings in 1655 and discovered its largest moon, Titan.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

Share Report

Who invented the safety elevator in 1852, which prevented the cab from falling if the cable broke?

A. James Watt

B. Elisha Otis

C. Thomas Edison

D. Henry Bessemer

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option B

Explanation:
Elisha Otis invented the elevator safety brake in 1852, making skyscrapers practical and safe.

This question belongs to: Static General Knowledge Inventions and Discoveries

Explore All Inventions and Discoveries MCQs