Thermometer

Q.

What are the minimum and maximum body temperatures?

Q.

What is a clinical thermometer? What is the range of clinical thermometer? [2 MARKS]

Q. In min max thermometer what is range of temperature

Q. How is a clinical thermometer different from a laboratory thermometer? [3 MARKS]

Q. The given figure shows a laboratory thermometer. What is the reading shown?

1. 
2. 
3. 
4. 

Q.

How are the Celsius and Fahrenheit scales interrelated?

Q.

What is the normal range of a laboratory thermometer?

1. ${35}^{\circ }Fto{42}^{\circ }F$.

2. $-{10}^{\circ }Cto{110}^{\circ }C$.

3. $-{10}^{\circ }Fto{110}^{\circ }F$.

4. ${35}^{\circ }Cto{42}^{\circ }C$.

Q.

Which device controls temperature with a switch?

1. Resistor

2. Regulator

3. Thermostat

4. Heat switch

Q. Which thermometer is showing the lower temperature?

1. 
2. 
3. 
4. 

Q.

(a) What are the various precautions to be taken while reading clinical thermometer?

(b) Match the following:

$\begin{array}{cc}\left(i\right)Landbreezeblowsduring& \left(a\right)summer\\ \left(ii\right)Seabreezeblowsduring& \left(b\right)winter\\ \left(iii\right)Darkclothesarepreferredduring& \left(c\right)day\\ \left(iv\right)Lightcolouredclothesarepreferredduring& \left(d\right)night\end{array}$

[5 MARKS]

Q.

Suppose you have a clinical thermometer in which bigger marks read one degree and there are 10 divisions between them. Each division is equal to

1. $1^{\circ }C$

2. ${0.2}^{\circ }C$

3. ${10}^{\circ }C$

4. ${0.1}^{\circ }C$

Q.

State one difference in the Celsius and Kelvin scale of a thermometer.

Q.

A reliable measure of the degree of hotness or coldness of a body is

1. Color

2. Fumes coming from the body

3. Temperature

4. All of these

Q.

The degree of hotness of a body cannot be estimated correctly by touching and feeling.

1. True
2. False

Q. Aditya is sick and his mother wants to check his body temperature, she brings a thermometer and checks his temperature, what could be the estimated temperature?

1. 2 .4 centimeter
2. 2.4 gram
3. 2.4 meter
4. 2.4 kilometer

Q. 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.

Q. Name the instrument used for measuring of the temperature of a person. Draw its labelled neat diagram.

Q. In a thermometer, there are $100$ major divisions between the freezing point and the boiling point of water. If each major division has $5$ minor divisions, what is the minimum reading that can be taken using the thermometer?

1. $0.2{}^{\circ }\text{C}$
2. $1.0{}^{\circ }\text{C}$
3. $0.8{}^{\circ }\text{C}$
4. $1.2{}^{\circ }\text{C}$

Q.

List temperature readings that exceed the normal human body temperature from the following readings:

$0{}^{}{}^{0}C,32{}^{0}C,42{}^{0}C,37{}^{0}C,33{}^{0}C$

Q.

Mercury is used in thermometers to measure temperature because:

1. It changes color with temperature

2. It expands or contracts with temperature

3. It changes state with temperature

4. All of the above

Q. At what temperature is the upper fixed point of a clinical thermometer kept ?

Q.

The temperature of a normal human body is___________$°C$.