Physics · Electromagnetic Waves
जब प्रकाश आपेक्षिक विद्युतशीलता (relative permittivity) εr और आपेक्षिक पारगम्यता (relative permeability) μr वाले पदार्थ माध्यम से गुजरता है, तो प्रकाश का वेग v किसके द्वारा दिया जाता है? (जहाँ c निर्वात में प्रकाश का वेग है):
- 1v = √(εrμr)
- 2v = √(μrεr)
- 3v = c
- 4v = c√(εrμr)✓
सही उत्तर देखें
v = c√(εrμr)
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