Tag: path of light

Questions Related to path of light

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:

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  1. Brown

  2. Black

  3. Red

  4. Green

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Correct Option: B
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.