MCQ
A stretched string tied between two rigid supports vibrates with a frequency double the fundamental frequency. The point midway between the supports is
- ✓a node
- Ban antinode
- Ceither a node or an antinode
- Dneither a node nor an antinode.
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| Column-I | Column-II | ||
| A. | The two SHMs are in phase, $A_1=A_2=A$ | I. | $R=A_1+A_2$ |
| B. | The two SHMs are in phase, $A_1 \neq A_2$ | II. | $R=0$ |
| C. | The two SHMs are $90^{\circ}$ out of phase, $A_1=A_2=A$ | III. | $R=2 A$ |
| D. | The two SHMs are $180^{\circ}$out of phase, $A_1=A_2$ | IV. | $R=\sqrt{2} A$ |