MCQ
A pulse is allowed to get reflected from a wall. Then:
- A$\angle\text{r}=\angle\text{i}$
- ✓Compression becomes rarefaction.
- COnly $(a).$
- DBoth $(a)$ and $(b).$
The frequency of a wave is not altered by crossing a boundary. The reflected pulse becomes inverted when a wave in a less dense rope is heading towards a boundary with a more dense rope. The amplitude of the incident pulse is always greater than the amplitude of the reflected pulse.
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