MCQ
____ And _____ led to understanding of atomic structures:
- Fresnel diffraction.
- Cathode rays.
- X-rays.
- Electrons.
- A(i) And (ii).
- B(ii) And (iii).
- C(i) And (iv).
- D(iii) And (iv).
✓
Answer
- (iii) And (iv).
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