Exercises
1. State similarities and differences between the laboratory thermomet
and the clinical thermometer.
2. Give two examples each of conductors and insulators of heat.
3. Fill in the blanks :
The hotness of an object is determined by its
(b) Temperature of boiling water cannot be measured by a
thermometer.
(c) Temperature is measured in degree
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Answer:
Similarities:
(i) both made up of uniform glass tube.
(ii) both contain mercury.
(iii) both have bulb at one end.
(iv) both generally have celcius scale.
Differences:
(i) Range of laboratory thermometer is from -10°C to 110°C while range of clinical thermometer is from 35°C to 42°C.
(ii) Laboratory thermometer is used to take the reading of temperature in laboratory while clinical thermometer is used to measure the temperature f human body.
(iii) Mercury level falls when removed from the source in case of laboratory thermometer while in case of clinical thermometer
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