Physics · Optics
किसी माध्यम और वायु के युग्म का क्रांतिक कोण 30° है। उस माध्यम में प्रकाश की चाल कितनी है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12.8 × 108 m/s
- 22.2 × 108 m/s
- 31.5 × 108 m/s✓
- 41 × 108 m/s
सही उत्तर देखें
1.5 × 108 m/s
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