Why is red light used in traffic signals?

Question

Physics · Optics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Share:

Correct answer

Red light undergoes the least scattering

Save this question and verified answer as a clean study sheet with live clickable link.

👥

Challenge your peer aspirants on WhatsApp or Telegram to solve this question!

Online Test Series

Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.

Chapter Practice

Want more practice questions on Optics?

Solve complete topic-wise tests with detailed solutions on GkGet.

Recommended practice questions in Physics · Optics

Mahatma Gandhi's last fast unto death in 1948 was primarily against which of the following?

What was the primary meaning of 'Swaraj' as popularized by Mahatma Gandhi during India's independence movement?

What was one major impact of India’s independence on its economy?

Answer 1

The color of blood is red

Answer 2

Animals can easily identify red color

Answer 3

Red light undergoes the least scattering

Answer 4

Red light is a symbol of danger

Related Practice Questions