Detailed text transcripts for TV channel - DW - 20190630:21:53:00
The water in this class looks transparent. the ocean looks blue book of water on today so why the difference. to understand that we need to delve into physics color is an effect of light and without light everything turns black. the light from the sun may look white but it's actually a mixture of a range of wavelengths some of them are invisible to the human eye like ultraviolet rays other parts of the spectrum are visible to us and we see them as red orange yellow green blue violet. and that mixed together we can see the light as white. so why do. different things have different colors. becau...