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A quartz crystal of thickness 1.5mm is vibrating with resonance

Calculate it’s fundamental frequency if the Young’s modulus of quartz crystal is7.9×1010N/m2and density is 2650kg/m3.

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Given Data :- t1=1mm=10(3)mm

Y=7.9×1010N/m2

ρ=2650kg/m3

Formula :- f=1/2tY/ρ

Calculations :- f=1/(2×10(3))(7.9×1010)/2650=2.73MHz

Answers :- Frequency = 2.73 MHz

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