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+//CHAPTER 6 _ PRESSURE AND SOUND MEASUREMENT
+//Caption : McLeod Gage
+// Example 7 // Page 362
+disp("Vb=150*10^-6")
+disp("d=1.5*10^-3")
+disp("a=%pi*d^2/4;")
+Vb=150*10^-6   //('enter the volume of the Mc Leod gage=:')
+d=1.5*10^-3   //('enter the diameter of capillary=:')
+a=%pi*d^2/4;
+p=40*10^-6    //('enter the pressure for which the gage reading is to be noted=:')
+//y=(-p*area_cap+sqrt((p*area_cap)^2-4*p*area_cap*Vb))/(2*area_cap);
+l=p*a;
+
+y=(sqrt(l^2+(4*l*Vb))-l)/(2*a)
+printf('The gage reading comes out to be %fd mof Hg\n',y)