MCQ
X-rays were discovered by …………………..  .
  • A
    Sir C.V.Raman
  • B
    Galileo
  • C
    Sir Isaac Newton
  • Roentgen

Answer

Correct option: D.
Roentgen
Roentgen

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free