https://padlet.com/norainh/laser1 en-us 2018-09-19 06:49:55 UTC 2026-01-22 06:13:55 UTC hello@padlet.com https://padlet.com/norainh/laser1/wish/283275855 1) monochromaticity
2) directionality
3) coherent
4) brightness]]> 2018-09-19 06:53:54 UTC https://padlet.com/norainh/laser1/wish/283275855 https://padlet.com/norainh/laser1/wish/283276015 1. It made up of many different colours(different amount of energy)
2. EM radiation that has properties of waves
3. Reflection-allow object to be seen
4. Travel in straight line]]> 2018-09-19 06:54:24 UTC https://padlet.com/norainh/laser1/wish/283276015 norainh https://padlet.com/norainh/laser1/wish/284703064 2018-09-23 06:57:00 UTC https://padlet.com/norainh/laser1/wish/284703064 norainh https://padlet.com/norainh/laser1/wish/284703221 2018-09-23 06:59:13 UTC https://padlet.com/norainh/laser1/wish/284703221 https://padlet.com/norainh/laser1/wish/284778586 monochromaticity]]> 2018-09-23 18:13:13 UTC https://padlet.com/norainh/laser1/wish/284778586 https://padlet.com/norainh/laser1/wish/284859738 2018-09-24 05:45:55 UTC https://padlet.com/norainh/laser1/wish/284859738 https://padlet.com/norainh/laser1/wish/284859759 2018-09-24 05:46:12 UTC https://padlet.com/norainh/laser1/wish/284859759 https://padlet.com/norainh/laser1/wish/284859915 2018-09-24 05:47:40 UTC https://padlet.com/norainh/laser1/wish/284859915 https://padlet.com/norainh/laser1/wish/284860016 2018-09-24 05:48:30 UTC https://padlet.com/norainh/laser1/wish/284860016 https://padlet.com/norainh/laser1/wish/284860076 2018-09-24 05:49:07 UTC https://padlet.com/norainh/laser1/wish/284860076