Physics Electron, Photon, Photoelectric Effect and X-rays X - Rays Single Correct MCQ
Published on: September 12, 2026

X-rays were discovered by

A
Becquerel
B
Roentgen
C
Marie Curie
D
Von Laue

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Text Solution

Verified by Experts
The correct answer is:
B
X-rays were discovered by Wilhelm Conrad Roentgen in 1895.
Step 1: Wilhelm Roentgen was experimenting with cathode rays when he noticed a fluorescence effect from a nearby screen.
Step 2: He deduced that there was an unknown type of radiation emitted from the cathode ray tube that could penetrate solid objects.
Step 3: Roentgen named these new rays 'X-rays' due to their unknown nature.
Therefore, the correct answer is B: Roentgen.

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