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- 1. Multiple ChoiceIf a pulse of red light and a pulse of blue light travel in vacuumThe red pulse travels faster because its index of refraction is smallerThe blue pulse travels fasterThe two pulses travel at the same speedThe relative speed depends on the exact wavelengths of the red and blue pulses
- 2. Multiple ChoiceWhen light passes at an angle to the normal from one material into another material in which its speed is lowerit is bent towards the normal.it always lies along the normal.it is unaffected.it is bent away from the normal.
- 3. Multiple ChoiceWhich color of light is most refracted during dispersion by a prism?redyellowgreenviolet
- 4. Multiple ChoiceIn what medium does light travel the fastest?vacuumairwaterglass
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