Question

A centigrade and a Fehrenhe it thermometer are dipped in boiling water. The water temperature is lowered unit the Fahrenheit thermometer registers ${140}^{o}F$ . What is the fall in temperature as registered by the Centigrade thermometer

• A. ${30}^{\circ }$
• B. ${40}^{\circ }$
• C. ${60}^{\circ }$
• D. ${80}^{\circ }$

Answer 1

The correct option is B ${40}^{\circ }$

Temperature shown by Celsius scale=${60}^{o}C$
$\therefore Fall={40}^{o}C$