Question
State similarities and differences between the laboratory thermometer and the clinical thermometer.
✓
Answer
Similarities:
- Both consist a long, narrow, uniform glass tube.
- Both have a bulb at one end.
- Both contains mercury in the bulb.
- Both contain Celsius scale on the glass tube.
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Clinical thermometer
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Laboratory thermometer
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Temperature range is from $35^\circ C$ to $42^\circ C.$
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Temperature range is from $-10^\circ C$ to $110^\circ C.$
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It is used to measure temperature of human body.
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It is used to measure temperature in experiments performed in laboratory.
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It has a kink which prevents the immediate back flow of mercury.
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Usually, it does not have a kink.
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