Recent content by ubcstudent

I mean two strings are attached or 1 string with varying density. The wave then travel from one part to another.

I want to know if wave length or frequency will change when a wave move from a string of a certain linear density to another of a different linear density?

Hi I am an 1 year engineering student at the University of British Columbia. I am thinking about going to engineering physics but I want to know what kind of career possibility awaits me if I do go down this path. Is engineering physics worth the trouble?

If time is relative then what does it mean when they say the universe is 13.75 billion year old?