Question

why is it advised not to hold the thermometer by its bulb by reading it .?​

Answer 1

✡Here is Your Answer✡

⚡It is advised not to hold the thermometer by its bulb while reading it because this will increase the temperature of mercury than its actual temperature and this will result in slightly wrong reading.

⚡It is advised not to hold the thermometer by its bulb while reading it because this will increase the temperature of mercury than its actual temperature and this will result in slightly wrong reading.⚡To be precautious it is advised not to do so.

Answer 2

Hello!!

why is it advised not to hold the thermometer by its bulb by reading it

Answer,:-

Because the level of mercury increase due to our body temperature and effect the actual reading. ... A clinical thermometer is used for measuring the body temperature of human being.