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

Interview Question

Software Development Senior Analyst Interview(Student Candidate) Hyderabad

Why is the beach light red? lighthouse

Answer

Interview Answer

2 Answers

1

because of its wavelength

Interview Candidate on 09-Nov-2014
0

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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