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CBSE - 10th Study Notes
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5/31/2011 3:51:01 AM
CHATURBHUJ PODDAR

icon Danger Signals Are Red ?
  The eye is most sensitive to yellow colour. Why the danger signals are red ?

 
5/31/2011 3:56:51 AM
CHATURBHUJ PODDAR

icon Re: Danger Signals Are Red ?
  This is because the scattering of red light is less than that of yellow colour. For this reason, the red signals will travel over longer distances as compared to yellow colour.

 
6/28/2011 7:21:43 AM


icon Re: Danger Signals Are Red ?
 

 
6/28/2011 7:23:59 AM


icon Re: Danger Signals Are Red ?
  red light scatters least as for its longest wavelength that zz y red light is used for danger signals

 
 
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