PATH-REVERSAL PRINCIPLE


Meaning of PATH-REVERSAL PRINCIPLE in English

ˈ ̷ ̷ ̷ ̷ˈ ̷ ̷ ̷ ̷- noun

: a statement in optics: if light traverses a given course it can traverse the same course in the opposite direction and hence it follows that any object point and its real image are interchangeable

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.