| E1-1 | Wave pulse on a rope. |
| Purpose: | To demonstrate wave propagation. |
| Description: | A piece of heavy clothes line is attached to a support and stretched slightly. The other end is given a quick transverse motion, and a pulse is observed traveling down the rope. The speed of the pulse increases if the rope is pulled more tightly. |
| References: | Sa-3. |
| Equipment: | A long piece of rope. |