2.The equation y=4 sin pie[200t-x/25)] represents a transverse wave that travels in stretched wire,where x y are in cm and t in second.Its wave length and velocity are-----------
Kindly refer to the link given below for an answer to a similar query :
https://www.meritnation.com/ask-answer/question/a-wave-is-represented-by-y-0-25x10-3sin-500t-0-25x-wh/waves/1821241
https://www.meritnation.com/ask-answer/question/a-wave-is-represented-by-y-0-25x10-3sin-500t-0-25x-wh/waves/1821241