State Similarities and Differences Between the Laboratory Thermometer and the Clinical Thermometer. - Science

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State similarities and differences between the laboratory thermometer and the clinical thermometer.

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1) Both clinical and laboratory thermometers have long, narrow, uniform glass tubes.

2) The bulbs of both the thermometers have mercury in them.

3) Both have a bulb at one end.

4) Both use Celsius scale on the glass tube.


1) The temperature range of clinical thermometers is from 35°C to 42°C while that of laboratory thermometer is from −10°C to 110°C.

2) Clinical thermometer is used to measure the temperature of a human body. However, laboratory thermometer cannot be used to measure the temperature of a human body

3) The least count of both the thermometers differs.

4) Unlike clinical thermometer that can be tilted, laboratory thermometer is kept upright while reading the temperature values.

5) Clinical thermometer has a kink near the bulb while there is no kink in the laboratory thermometer. Due to kink mercury does not fall down on its own in clinical thermometer.

Concept: Hot and Cold Objects
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NCERT Class 7 Science
Chapter 4 Heat
Exercises | Q 1 | Page 45

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