MCQ
Two identical light waves having phase difference 'Φ' propagate in same direction. When they superpose, the intensity of the resultant wave is proportional to ______.
- A$cos^2$`Φ/3`
- B$cos^2$ Φ
- C$cos^2$ `Φ/4`
- ✓$cos^2$ `Φ/2`
✓
Answer
Correct option: D.
$cos^2$ `Φ/2`
D. $cos^2$ `Φ/2`
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