A wave of frequency 100 Hz is sent along a string towards a fixed end when this wave travels back after reflection, a node is formed at a distance of 10 cm from the fixed end of the string. The speed of the incident wave is ……
A. 40 m/s
B. 20 m/s
C. 10 m/s
D. 5 m/s
Answer:B
A wave of frequency 100 Hz is sent along a string towards a fixed end when this wave travels back after reflection, a node is formed at a distance of 10 cm from the fixed end of the string. The speed of the incident wave is ……
A. 40 m/s B. 20 m/s C. 10 m/s D. 5 m/s