1.

20. The temperature of a body on Kelvin scale is found to be x K. When it is measured by Fahrenheitthermometer, it is found to be x F, then the value of xis1) 402) 3133) 574.254) 301.25

Answer»

Relation between Kelvin and Fahrenheit scale is given by K-273/100=F-32/180

here , The temperature of a body on Kelvin scale is found to be x K and when it is measured by fahrenheit thermometer it is found to be x°F so, put K = x , and F = xso, (x - 273)/100 = (x - 32)/180

(x - 273)/5 = (x - 32)/9

9x - 273 × 9 = 5x - 160

9x - 5x = 2457 - 160

4x = 2297

x = 574.25



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