Can you guess a persons age by its looks

It depends, I say no but if that person has smoked for a while in their life they usually tend to look older than they really are (No offense). But I am a very short person in rl so people tend to say I look like I’m 6 or 8 but I’m actually 13. So it really just depends on your opinion.

waves moving from a fast medium to a slow medium will experience a reflection as light travels more slowly than red light. total internal reflection occurs when the critical angle is.