Physics · Acoustic Sensors and Lattices
The use of a Kagome lattice-based acoustic sensor for detecting helium leaks is primarily effective because:
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- 1Helium's high density relative to air causes measurable pressure differences across the lattice.
- 2The Kagome lattice chemically adsorbs noble gases due to its hexagonal symmetry.
- 3Helium undergoes partial ionisation inside geometric lattices, producing detectable electric signals.
- 4It senses changes in sound-wave speed and frequency caused by helium, without using chemical reactions.✓
Correct answer
It senses changes in sound-wave speed and frequency caused by helium, without using chemical reactions.
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