Exam (elaborations)
NBDHE Practice Questions and answers 2023 update
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NBDHE Practice Questions and answers 2023 updateThe x-ray was discovered by a. Heinrich Geissler b. Wilhelm Roentgen c. Johann Hittorf d. William Crookes - correct answer Wilhelm Roentgen Which discovery was the precursor to the discovery of x-rays? A. Beta particles B. Alpha particles C....
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