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

ScienceClass 7CBSEAnswered 27 Mar 2026
Answer

Solution:

Similarities

  • Both are made of glass and consist of a long narrow glass tube
  • At one end both of them have a bulb
  • Bulbs of both the thermometers consist of mercury
  • Celsius scale is present in both the thermometers

Differences

Clinical Thermometer

Laboratory thermometer

Temperature range is 35 to 42 0 c

Temperature range is -10 to 110 0 c

Used to measure human body temperature

Used to measure temperature in the laboratory

It has kink which prevents immediate backflow of mercury

It does not have a kink

Science · Class 7