Dell Technologies Interview Question: Why is the beach light red? l... |

Interview Question

Software Development Senior Analyst Interview(Student Candidate) Hyderabad

Why is the beach light red? lighthouse


Interview Answer

2 Answers


because of its wavelength

Interview Candidate on 09-Nov-2014

As we knw among "VIBGYOR" ,the color red has got maximum wavelength and least frequency,it can travel longer distance among other colors,hence its used in light house that could acts as a signal for a ship reaching sea from farther distance.

susmitha on 13-Jan-2015

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