TS EAMCET 5 May 2018 Shift 1 Solved Paper

A wire of length 50 cm and weighing 10 gin is attached to a spring at one end and to a fixed wall at the other end. The spring has a spring constant of 50 N/m and is stretched by 1 cm. If a wave pulse is produced on the string near the wall, how much time will it take to reach the spring