📊 Physics
Q. The following are some great discoveries in Physics
1. X-rays
2. Theory of relativity
3. Superconductivity
4. Raman effect
The chronological order in which they were discovered is
  • (A) 1,2, 3,4
  • (B) 1,2, 4,3
  • (C) 1,3, 2,4
  • (D) 4,1, 2,3
✅ Correct Answer: (A) 1,2, 3,4

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