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+//CHAPTER 8 _ TEMPERATURE MEASUREMENT
+//Caption : PYROMETERS
+// Example 5// Page 545
+
+//(i)Optical Pyrometer
+// Ta(K) is the actual temperature and Ti(K) is the indicated temperature 
+TI=1200    //('Enter the indicated temperature in degree centigrade=:')
+Ti=TI+273
+disp("Ti=TI+273")
+lamda=0.7*10^-6    //('Entering  the wavelength(in meters) at which intensities are compared')
+epsilon=0.6        //('Entering  the emissivity of the body')
+C2=0.014387     //('Entering the value of constant')
+disp("Actual temperature is given by :")
+disp("Ta=(Ti*C2)/(C2-lamda*Ti*log(epsilon));")
+Ta=(Ti*C2)/(C2-lamda*Ti*log(epsilon));
+ta=Ta-273;
+printf('Actual temperature of the body is %d \n',ta)
+//(ii) For radiation pyrometer
+T=(epsilon*Ta^4)^(1/4);
+ti=T-273;
+printf('Indicated temperature in degree celsius of the total radiation pyrometer is %d degree cent \n',ti)
+//To calculate error
+Error1=Ta-Ti;
+printf('Error using Optical Pyrometer is %d K \n',Error1)
+Error2=Ta-T;
+printf('Error using Radiation Pyrometer is %d K \n',Error2)
+
+
+
+
+
+