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diff --git a/1397/CH2/EX2.2/2_2.sce b/1397/CH2/EX2.2/2_2.sce
new file mode 100755
index 000000000..9fd507ace
--- /dev/null
+++ b/1397/CH2/EX2.2/2_2.sce
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+//clc();
+clear;
+//To determine the frequency of the fundamental note
+l=3*10^(-3);           //vibrating length in metres
+Y=8*10^10;             //Youngs modulus in N/m^2
+rho=2.5*10^3;          //density of crystal in kg/cm^3
+new=(sqrt(Y/rho))/(2*l);
+printf("the frequency of the fundamental note emitted by piezo-electric crystal is %f Hz",new);