Zusammenfassung der Ressource
Light and Sound
- Light travels in 30,000,000 m/s
- We can see green
- because it only reflects back the green light
- All the other colors of the spectrum
- are absorbed
- sound travel 340 m/s
- sound can go around corners unlike light
- A block of a transparent substance can disperse colours
- if shined through white light
- It disperse the colours
- Red Orange Yellow Green Blue Indigo Violet