Q. Which of the following functions represent a wave?
A) $(x - vt)^{2}$
B) $ln(x + vt)$
C) $e^{- (x + vt)2}$
D) $\frac{1}{x + vt\ }$
Explanation
(c) (c) is the correct choice because its value is finite at all times.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.