Table 2.

Ratio of the second and third mode resonance to the first mode resonance.

	${\omega }_{1,\mathrm{air}}/{\omega }_{0,\mathrm{air}}$	${\omega }_{2,\mathrm{air}}/{\omega }_{0,\mathrm{air}}$
Theory	6.288	17.693
Measurement	6.204	17.138
Deviation	1.35%	3.23%