Physics · Dispersion of Light
How does the refractive index of a medium relate to the velocity of different colours of light causing dispersion?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Refractive index is the same for all colours, dispersion is caused only by the surface curvature
- 2Refractive index is highest for violet light because it travels slowest in the medium✓
- 3Refractive index is lowest for violet light because it travels slowest in the medium
- 4Refractive index is highest for red light because it travels fastest in the medium
Correct answer
Refractive index is highest for violet light because it travels slowest in the medium
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