X-ray discovery date?

X-ray discovery date?

• A. January 1, 1900
• B. November 8, 1895
• C. July 4, 1776
• D. December 12, 1905

Answer: (B)

X-rays were first observed on November 8, 1895. Wilhelm Conrad Röntgen was experimenting with a cathode-ray tube when he noticed a fluorescent screen glow even though it wasn’t in the direct path of the rays. That moment marked the discovery of a new kind of penetrating radiation, which he named X-rays. He later published his findings and produced the first radiographs, but the initial observation—the discovery date—remains November 8, 1895. The other dates don’t align with this historic event.

X-rays were first observed on November 8, 1895. Wilhelm Conrad Röntgen was experimenting with a cathode-ray tube when he noticed a fluorescent screen glow even though it wasn’t in the direct path of the rays. That moment marked the discovery of a new kind of penetrating radiation, which he named X-rays. He later published his findings and produced the first radiographs, but the initial observation—the discovery date—remains November 8, 1895. The other dates don’t align with this historic event.