X-rays
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6 Terms
Who discovered X-rays?
X-rays were discovered by German physicist Wilhelm Röntgen in 1895.
What was Wilhelm Röntgen studying when he discovered X-rays?
Wilhelm Röntgen was studying the fluorescent light emitted when an electric current passed through a low-pressure gas in a tube.
What did Röntgen observe about X-rays?
Röntgen observed that X-rays could pass through materials like cardboard or skin and were invisible.
Why did Röntgen call this phenomenon "rayon X"?
He called it "rayon X" because of the unknown nature of the phenomenon, similar to the use of "X" in mathematics.
Who discovered radioactivity, and when?
French physicist Henri Becquerel discovered radioactivity in 1896.
What did Henri Becquerel's discovery involve?
Henri Becquerel discovered that uranium emitted an invisible radiation, known as "rayon uranique" (uranic ray).