A train moves with auniform veleocity of 36 km per hour

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.

Am i correct on these two physics questions?

What is an example of static friction