Physics · Wave Optics and Acoustics
Two sound waves move in the same medium in the same direction. If the average power transmitted across a cross-section by them is equal, while their wavelengths are in the ratio of 1 : 2, then their pressure amplitudes would be in the ratio of:
- 11 : 1✓
- 22 : 1
- 31 : 2
- 41 : 1
Correct answer
1 : 1
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