Selina Solutions Class 6 Physics Solutions for Exercise Short/Long Answer Questions in Chapter 2 - Physical Quantities and Measurement

Q21) What is a clinical thermometer ? State its special feature . Draw a labelled neat diagram of a clinical thermometer showing the range of temperature marked on it.

Solution :

Doctors use a special thermometer called the clinical thermometer for measuring the temperature of the patient’s body. This thermometer has markings from 35°c to 43°c. It has a slight bend or kink in the stem just above the bulb, this kink is called the constriction which prevents the mercury from falling back all by itself. The temperature of a healthy person is 37°C and is marked by a red arrow.

Video transcript
"Hello friends, this is Neha and I welcome you to leaders online poker room session today. We'll be looking at the following question. The question says what is the clinical thermometer state is special feature raw unlabeled need icon award for clinical thermometer showing the range of temperature marks on it. So first we will be telling or defining what is meant by a clinical thermometer. So Doctors use a special thermometer which is used to measure only the human body temperature at is called as clinical thermometer. So doctors use the special power over to the clinic at the spot as clinical thermometer for measuring the body's temperature of the kitchen the specially designed for measuring the only the human body temperature. What's this thermometer, which is called as clinical thermometer. You can see how this looks like. This is the clinical thermometer. It is having the pulp. Just having the Mercury feel inside it and here this is called asking this constriction. It is called as k i n k Kink and then this is the red arrow this red arrow represents the temperature of a healthy person and this is a capillary tube inside this capillary tube. You can find out the rise of a mercury thermometer physically has So marking 35 degrees Celsius to 43 degrees Celsius. The slide band is called a skink. And what is the main purpose of the king? It is used to prevent the Mercury. From falling back by all itself A white up cannot form act my own itself because once the top that has measured the temperature of the patient in parkersville required the few seconds to take the exact readings and an art is why I wear pink important role comes up it tryptophan. So Mercury from falling actor all itself and at this were doctors are able to take the exact rating and here's the step. Picture of the healthy person if I say the temperature of a healthy person is 47 degrees Celsius this 37 degree celsius. You can say is Mark had this red arrow, which is the temperature of a healthy person the friends. This is how we Define what is clinical thermometer, and it's special Peter and your you can see this is how we draw the neat little tyke number 90. Also shorter ain't from 35 degrees Celsius to 43 degrees Celsius. So hence, this is how we approach this question. Hope you Just the solution is if you have any doubts, please feel free to drop a comment below and subscribe to this channel for regular. Thank you. "
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