Clinical Thermometer

Q.

How does the sixs maximum and minimum thermometer help in measuring temperature accurately?

Q. Why is a digital thermometer safer than a clinical thermometer?

Q. What kind of thermometer is used to measure the temperature of boiling water?

1. Clinical
2. Laboratory
3. Infrared
4. Max-Min

Q.

Question 3 (b)
Fill in the blanks :
(b) Temperature of boiling water cannot be measured by a ___ thermometer.

Q.

Why is a constriction provided in a clinical thermometer?

Q.

What laboratory thermometers does'nt has a kink.?

Q.

Why is a thermometer kept beneath the tongue?????????????????

Q. State the temperature of
i) ice point and
ii) steam point,
on the Celsius scale.

Q.

Which of the following is generally used to measure body temperature?

1. Laboratory thermometer

2. Indoor thermometer

3. Clinical thermometer

4. Max-Min thermometer

Q. Which metal is used in a clinical thermometer?

1. Silver
2. Mercury
3. Potassium
4. Zinc

Q. Which among the following thermometers have a kink to prevent mercury level falling on its own?

1. Thermistor Thermometer
2. Clinical Thermometer
3. Digital Thermometer
4. Laboratory Thermometer

Q.

Give two examples each: The metals that are good conductors and poor conductors of heat, respectively.

Q. Mercury thermometers are increasingly being replaced by digital, which of the following is not a reason for this?

1. Mercury is toxic.
2. Mercury is difficult to dispose off in case it leaks.
3. Digital thermometers are easier to read than mercury thermometers.
4. Digital thermometers are much more accurate.

Q.

Why can't you use laboratory thermometer to measure the temperature of your body ? How does a clinical thermometer solve this problem?

Q. Thermistor thermometer is used to measure the body temperature of infants and children.

1. True
2. False

Q. What is the use of kink in a clinical thermometer?​

1. To increase expansion of mercury in the capillary tube​
   
2. To decrease expansion of mercury in the capillary tube​
   
3. To minimise use of mercury in the thermometer​
   
4. To prevent falling of mercury in the bulb​
   

Q. A clinical thermometer is used to measure body temperature.

1. True
2. False

Q. Fill in the blank.

Doctor uses _________ thermometer to measure human body temperature. (1 mark)

Q.

A laboratory thermometer has a slight bend or kink called constriction close to its bulb.

1. True
2. False

Q.

A clinical thermometer is used to

1. measure temperature of hot milk

2. measure body temperature

3. measure temperature of ice cold water

4. All of these

Q. Clinical thermometers are always ______.

1. mercury based only
2. digital only
3. either mercury based or digital
4. coloured alcohol based

Q.

what is the purpose of kink in a mercury clinical thermometer

Q.

Why mercury is used in thermometer write in five points?

Q.

A laboratory thermometer can be used to measure body temperature.

Say True or False.

1. True

2. False

Q.

The process of increase in length of an object on heating is known as___________.

Q. Boojho wants to measure the temperature of boiling water with a clinical thermometer. Will he be able to read the value? Pick the correct reason.

1. No. Clinical thermometers cannot read temperatures above the room temperature.
2. Yes. Clinical thermometers can read any value above the room temperature.
3. Yes. All thermometers can measure all temperatures.
4. No. Clinical thermometers can read only between $35°Cand42°C.$

Q. In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury?

Q.

A clinical thermometer is made of?

1. Always mercury based

2. It can be either mercury based or digital

3. Neither mercury based or digital

4. Always digital

Q. For a faulty laboratory thermometer, the boiling and the freezing points of water are found to be ${97}^o$C and -$3^o$ C, respectively. With this thermometer, a person is trying to measure the temperature of the water as shown below. ​
Find out the actual temperature of the water.​

1. ${25}^{o}C$
2. ${20}^{o}C$
3. ${28}^{o}C$
4. ${23}^{o}C$

Q.

Name the liquid which is present inside the thermometer.