Q. Which German mechanical engineer discovered X-rays?

  • (A) Wilham Rotzen
  • (B) James Hames
  • (C) Alex Ray
  • (D) None of these
✅ Correct Answer: (A) Wilham Rotzen

Published by Uday Singh ⭐ 8.97K Points at 22-Mar-2022 08:24 pm in Science

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