TN(state board)-chapter-Heat 1. International unit of measuring temperature is .......................... a. Kelvin b. Fahrenheit c. Celsius d. Joule 2. In thermometer when bulb comes in contact with hot object, liquid inside it a. expands b. contracts c. remains same d. none of above 3. The body temperature of a healthy man is; a. 0°C b. 37°C c. 98°C d. 100°C 4. Mercury is often used in laboratory thermometers because it _______________________ a. is a harmless liquid b. is silvery in colour and is attractive in appearance c. Expands uniformly d. is a low cost liquid 5. Which of the following temperature conversions is incorrect K ( Kelvin) = °C ( Celsius)