JEE Main & Advanced
Physics
Wave Mechanics
Question Bank
Progressive Waves
question_answer
A wave is represented by the equation \[y=7\sin \{\pi (2t-2x)\}\] where \[x\] is in metres and \[t\] in seconds. The velocity of the wave is [CPMT 2000; CBSE PMT 2000; Pb. PET 2000]