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NBDHE Practice Questions & Answers(2024 Latest Update)
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- Instelling
The x-ray was discovered by a. Heinrich Geissler b. Wilhelm Roentgen c. Johann Hittorf d. William Crookes - ANSWER Wilhelm Roentgen Which discovery was the precursor to the discovery of x-rays? A. Beta particles B. Alpha particles C. Cathode rays D. Radioactive materials - ANSWER Cathode...
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