Physics · Light - Refraction
The refractive index (μ) of a transparent medium is always greater than 1 because:
- 1Speed of light in vacuum = speed of light in transparent medium
- 2Speed of light in vacuum > speed of light in transparent medium✓
- 3Wavelength of light changes as it moves from denser to rarer medium
- 4Speed of light in vacuum < speed of light in transparent medium
Correct answer
Speed of light in vacuum > speed of light in transparent medium
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