Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Waves The principle of superposition of waves
A string is tied to a freely moving ring on a rod. If a wave pulse is created in the string and there is no energy dissipation, then the net displacement of the pulse at the reflecting surface is:
1
Equal to the amplitude of incident pulse
2
Twice the amplitude of incident pulse
3
Zero
4
More than one of the above
5
None of the above