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Red light is used for signals because it has

Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/long-537592" style="font-weight:bold;" target="_blank" title="Click to know more about LONG">LONG</a> wavelength</p><br/><br/><p>Red light is <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> as danger signal because it is having <a href="https://interviewquestions.tuteehub.com/tag/high-479925" style="font-weight:bold;" target="_blank" title="Click to know more about HIGH">HIGH</a> wavelength, less scattering ,hence can travel <a href="https://interviewquestions.tuteehub.com/tag/larger-1067345" style="font-weight:bold;" target="_blank" title="Click to know more about LARGER">LARGER</a> <a href="https://interviewquestions.tuteehub.com/tag/distances-956488" style="font-weight:bold;" target="_blank" title="Click to know more about DISTANCES">DISTANCES</a>.</p></body></html>


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