📊 Physics
Q. Red light is used in traffic signals because
  • (A) It is beautiful
  • (B) It is visible to people even with bad eyesight
  • (C) It has the longest wavelength
  • (D) None of these
✅ Correct Answer: (C) It has the longest wavelength

You must be Logged in to update hint/solution

💬 Discussion

📊 Question Analytics

👁️
715
Total Visits
📽️
4 y ago
Published
🎖️
Ram Sharma
Publisher
📈
84%
Success Rate