1What is a wave? Write with examples.
2Explain, in order, how a wave is produced when a finger strikes the surface of water.
3The ripples spread toward the edge of the tub, yet the paper boat never reaches the edge. Why?
4What does observing the ribbon tied to the rope show?
5Write any four uses of waves in our daily life.
6Can a wave exist where there is no material like water or a rope? Give a reason.
7What do earthquake waves do?