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Questions and Answers
What did Wilhelm Roentgen discover in 1895?
What did Wilhelm Roentgen discover in 1895?
- Infrared rays
- X-rays (correct)
- Ultraviolet rays
- Gamma rays
What did Wilhelm Roentgen use to make fluorescent screens glow?
What did Wilhelm Roentgen use to make fluorescent screens glow?
- Invisible rays (correct)
- Infrared radiation
- Gamma rays
- Ultraviolet light
What did Wilhelm Roentgen's discovery of X-rays pass through, leaving bones and metals visible?
What did Wilhelm Roentgen's discovery of X-rays pass through, leaving bones and metals visible?
- Human tissue (correct)
- Plastic
- Concrete
- Wood
What was one of Roentgen's first experiments with X-rays?
What was one of Roentgen's first experiments with X-rays?
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What did Wilhelm Roentgen call the rays he discovered?
What did Wilhelm Roentgen call the rays he discovered?
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Study Notes
Wilhelm Roentgen and X-rays
- Wilhelm Roentgen discovered X-rays in 1895.
- Roentgen used a cathode ray tube to make fluorescent screens glow.
- Roentgen's discovery of X-rays showed that the rays could pass through flesh, leaving bones and metals visible.
- One of Roentgen's first experiments with X-rays involved taking a picture of his wife's hand, which revealed her bones.
- Roentgen called the rays he discovered "X-rays" because the nature of the rays was unknown at the time.
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