Tag: path of light

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Multiple choice evs light and shadow nature and sources of light how light travels path of light elementary ideas of astronomy

A leaf which contains only green pigments, is illuminated by a laser light of wave length 0.6328 $\mu$ m. It wound appear to be:

  1. Brown

  2. Black

  3. Red

  4. Green
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

0.6328 $\mu m$ = $6328 \mathring A$
This is wavelength of red colour. So, this light will be absorbed by green pigments. 
The leaf will appear black.