Who discovered that atomic particle paths can be tracked via condensation trails inside gas chambers, establishing the Cloud Chamber? MCQ with Answer and Explanation

Who discovered that atomic particle paths can be tracked via condensation trails inside gas chambers, establishing the Cloud Chamber?
A. Charles Thomson Rees Wilson
B. J.J. Thomson
C. Robert Millikan
D. Ernest Rutherford
Answer: Option A
Solution (By JKSSB Mock Tests)
C.T.R. Wilson invented the cloud chamber in 1911 to study cloud formations, which became an invaluable tool for nuclear tracking and cosmic ray discoveries.

Discuss this Question (0)

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

Practice More Inventions and Discoveries Questions

Question #1
Who discovered the phenomenon of specific biological chemical pathways known as carbon fixation or the dark reactions of photosynthesis?
A. Louis Pasteur
B. Robert Emerson
C. Hans Krebs
D. Melvin Calvin

Correct Answer: Option D


Explanation:
Melvin Calvin traced the pathway of carbon absorption in plants using carbon-14, establishing the Calvin-Benson Cycle.

Question #2
Who invented the multi-matrix code known as the QR (Quick Response) Code in 1994?
A. Masahiro Hara
B. Tim Berners-Lee
C. Alan Turing
D. Norman Joseph Woodland

Correct Answer: Option A


Explanation:
Masahiro Hara from the Japanese company Denso Wave invented the QR code in 1994 to track automobile components during assembly.

Question #3
Who discovered the bacterium responsible for causing Tuberculosis (TB)?
A. Edward Jenner
B. Louis Pasteur
C. Alexander Fleming
D. Robert Koch

Correct Answer: Option D


Explanation:
Robert Koch discovered Mycobacterium tuberculosis in 1882, establishing the germ theory of disease for TB.