Who invented the multi-matrix code known as the QR (Quick Response) Code in 1994? MCQ with Answer and Explanation

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Who invented the multi-matrix code known as the QR (Quick Response) Code in 1994?

A. Alan Turing

B. Norman Joseph Woodland

C. Masahiro Hara

D. Tim Berners-Lee

Answer: Option C

Solution (By JKSSB Mock Tests)

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

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

The discovery of the cosmic rays was rewarded with a Nobel Prize to which physicist?

A. Robert Millikan

B. Victor Hess

C. Arthur Compton

D. Carl Anderson

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Correct Answer: Option B

Explanation:
Victor Hess discovered cosmic radiation by taking ionization monitoring instruments up in high-altitude balloon flights between 1911 and 1913.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

Who discovered the law of hereditary transmission through experiments on pea plants?

A. Thomas Hunt Morgan

B. Charles Darwin

C. Gregor Mendel

D. Jean-Baptiste Lamarck

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Correct Answer: Option C

Explanation:
Gregor Mendel is known as the father of modern genetics for his discovery of the basic laws of heredity through breeding pea plants.

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Question #3

Who discovered that atomic particle configurations include a heavy uncharged component, predicting the Neutron before its physical extraction?

A. Niels Bohr

B. James Chadwick

C. Ernest Rutherford

D. J.J. Thomson

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Correct Answer: Option C

Explanation:
Rutherford postulated the existence of a tightly bound proton-electron neutral pair in 1920, which Chadwick later isolated as the neutron.

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