0.95m
0.60m
0.50m
0.45m
Correct answer is D
In vibration in a closed pipe/tube, the first resonance occurs at a position L = V/4f,
when reading from the top of the tube,
L1 = | _340 |
4 x 340 |
L2 = | 3 x 340 |
4 x 340 |
L3 = | 5 x 340 |
4 x 340 |
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