X-rays were discovered by:

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RRB NTPC - 2019

General Science

X-rays were discovered by:

This question was previously asked in

RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)

Newton

W. Roentgen

Henry Becquerel

Marconi

The correct answer is

W. Roentgen

X-ray Discovery: Identifying the Discoverer

The discovery of X-rays is attributed to W. Roentgen.

Details of the X-ray Discovery

Discoverer: Wilhelm Conrad Roentgen (W. Roentgen)
Year: 1895
Context: Roentgen, a German physicist, accidentally discovered X-rays while studying cathode rays. He observed that these rays could penetrate various materials but were blocked by denser substances like bone.

Why Other Options Are Incorrect

Newton: Sir Isaac Newton is renowned for his work on laws of motion, universal gravitation, and optics, predating the discovery of X-rays.
Henry Becquerel: He discovered radioactivity in 1896, a different but related field concerning spontaneous emission of radiation from atomic nuclei.
Marconi: Guglielmo Marconi is famous for his pioneering work in long-distance radio transmission and the development of radio technology.

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