Physics · Light - Reflection and Refraction
अपवर्तन का स्नेल का नियम (Snell's law) आपतन कोण (i) के किस परास (range) के लिए मान्य है?
- 10° < i < 90°✓
- 20° < i < 45°
- 3i > 90°
- 40° < i < 60°
सही उत्तर देखें
0° < i < 90°
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