give reasons.explain wherever necessary. a) clinical thermometer has a kink
Answers
Answer:
hope u understand.
Explanation:
A clinical thermometer has kink because here is ans.
Suppose a boy's mother has fever and the mother went to check her son's fever so after a few minutes when the thermometer will be taken out ,there will be many movements that taking out and bringing in front of the eyes to read the temperature..here comes the use of kink that the kink helps the mercury to stay fixed and hold on the correct temperature till then to be read for sometime and helps the reader to get the correct reading of temperature.therefore that's very important..i hope u have understood
till then stay safe and if u feel,please mark my ans as brainliest..thank you
Answer:
Since, in clinical thermometer, mercury is used and level of mercury rises very rapidly with small variation in temperature that's why thermometers provided with kink near the bulb so it prevents the level of mercury from falling when taken out of mouth.
Explanation:
The kink prevents the mercury present in the capilalry to fall back into the bulb . So it seperates the high temperature mercury and cool mercury and allows the user to take a reading when the thermometer is taken out