A centigrade and a Fahrenheit thermometer are | vedclass

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(B) The boiling point of water on the Fahrenheit scale is $212^{\circ}F$ and on the centigrade scale is $100^{\circ}C$.The change in temperature on th

Vedclass · Accepted Answer

$40$

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(B) The boiling point of water on the Fahrenheit scale is $212^{\circ}F$ and on the centigrade scale is $100^{\circ}C$.The change in temperature on the Fahrenheit scale is $\Delta F = 212^{\circ}F - 140^{\circ}F = 72^{\circ}F$.The relationship between the change in temperature on the Fahrenheit scale and the centigrade scale is given by $\frac{\Delta F}{9} = \frac{\Delta C}{5}$.Substituting the value of $\Delta F$ into the equation: $\frac{72}{9} = \frac{\Delta C}{5}$.$8 = \frac{\Delta C}{5}$.$\Delta C = 8 	imes 5 = 40^{\circ}C$.Therefore,the fall in temperature registered by the centigrade thermometer is $40^{\circ}C$.

$A$ centigrade and a Fahrenheit thermometer are dipped in boiling water. The temperature is lowered until the Fahrenheit thermometer registers $140^{\circ}F$. What is the fall in temperature in $^{\circ}C$ as registered by the centigrade thermometer?

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