Question

what is string in physics​

Answer 1

• In physics, a string is a physical entity postulated in string theory and related subjects.
• Unlike elementary particles, which are zero-dimensional or point-like by definition, strings are one-dimensional extended entities.

Answer 2

Answer:

string is a physical entity postulated in string theory and related subjects. Unlike elementary particles, which are zero-dimensional or point-like by definition, strings are one-dimensional extended entities.