Question

class 7 Chapter 4 heat science
Why is it advised not to hold the thermometer by its bulb while reading it?​

Answer 1

Answer:

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. The standard way to hold the thermometer is from its top end.

Explanation:

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Answer 2

Answer:

It is advised not to hold thermometer by its bulb while reading it because its reading gets affected due to heat on the bulb and if you would hold it by its bulb then the actual reading can't be find