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Heat — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceHeat1 Mark
MCQ
The correct method of reading a clinical thermometer is:
  • A
    Holding the thermometer by bulb
  • B
    Before use the mercury level should be below $39^\circ C$
  • ✓
    Don’t hold the thermometer by bulb
  • D
    None of these
✓

Answer

Correct option: C.
Don’t hold the thermometer by bulb

 It advised not to hold the thermometer by its bulb while reading it because the actual reading of human body temperature will get affected. This is for the reason that level of Mercury raises due to human body temperature.

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