quiz

1. Why do we have round poles for telephone wires and "I" cross section poles for wires used for transmission of electricity?
2. Why is Red color use to indicate stop (traffic) signal?
3. Why fog lights are Yellow?
4. One can see Cable TV wires that run from terrace to terrace in the neighbourhood. If these adjacent terraces are as apart as 60-70 feet, how do they put these wires in place from one terrace to another. (Helicopter - is not a valid answer)
5. You are stationary and an object comes towards you travelling 'p' times the speed of light what would you see?

Edit: Answers posted in comments section.

Last reading: Lord of the rings (Part I)
Current reading: Harry Potter - The order of the phoenix