Question
X-rays were discovered by:
This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
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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