1 files changed, 13 insertions, 0 deletions
diff --git a/446/CH4/EX4.8/4_8.sce b/446/CH4/EX4.8/4_8.sce
new file mode 100755
index 000000000..67ade2321
--- /dev/null
+++ b/446/CH4/EX4.8/4_8.sce
@@ -0,0 +1,13 @@
+clear 
+clc
+disp('Ex-4.8')
+h=6.58*10^-16; // plack's constant
+delt1=26*10^-9;E=140*10^6 //given values of lifetime and rest energy of charged pi meson
+delE=h/delt1; k=delE/E;  // k is the measure of uncertainity
+printf('Uncertainity in energy of charged pi meson is %1.2e\n',k);
+delt2=8.3*10^-17;E=135*10^6;  //given values of lifetime and rest energy of uncharged pi meson
+delE=h/delt2; k=delE/E;
+printf('Uncertainity in energy of uncharged pi meson is %1.2e\n',k);
+delt3=4.4*10^-24;E=765*10^6;       //given values of lifetime and rest energy of rho meson
+delE=h/delt3; k=delE/E;
+printf('Uncertainity in energy of rho meson is %.1f\n',k);
+\ No newline at end of file