Jee Main
Units And Measurements
JEE Main 2026 (Online) 28th January Evening Shift
MCQ+4 / -12026
The speed of a longitudinal wave in a metallic bar is 400 m/s. If the density and Young's modulus of the bar material are increased by 0.5% and 1%, respectively then the speed of the wave is changed approximately to ______ m/s.