The X-ray was discovered in 1895 by which Nobel laureate? MCQ with Answer and Explanation

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The X-ray was discovered in 1895 by which Nobel laureate?

A. Albert Einstein

B. Wilhelm Röntgen

C. Max Planck

D. Niels Bohr

Answer: Option B

Solution (By JKSSB Mock Tests)

Wilhelm Röntgen discovered X-rays in 1895 and received the first-ever Nobel Prize in Physics in 1901.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Question #1

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The law of gas pressure stating that total pressure equals the sum of partial pressures was formulated by whom?

A. Joseph Louis Gay-Lussac

B. Jacques Charles

C. Robert Boyle

D. John Dalton

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Correct Answer: Option D

Explanation:
John Dalton formulated Dalton's Law of Partial Pressures in 1801 as part of his atmospheric research.

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Question #2

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Who discovered that the planet Uranus possesses a distinct set of narrow equatorial rings?

A. Galileo Galilei

B. William Herschel

C. Giovanni Cassini

D. James L. Elliot, Edward W. Dunham, and Douglas J. Mink

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Correct Answer: Option D

Explanation:
The rings of Uranus were discovered in 1977 during airborne stellar occultation observations, when the planet blocked a background star's light.

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Question #3

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The invention of the common military defensive structure known as Barbed Wire was patented in its definitive commercial form by whom?

A. Cyrus McCormick

B. Joseph Glidden

C. John Deere

D. Eli Whitney

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Correct Answer: Option B

Explanation:
Joseph Glidden patented the two-wire twisted barb lock mechanism in 1874, changing open-range farming and livestock control.

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