Measuring Temperature

Q.

At what temperature will the reading on the Fahrenheit scale be double of the reading on the Celsius scale?

Q.

Why can’t we use a laboratory thermometer to measure the body temperature?

1. It is difficult to handle.
2. Laboratory thermometers do not have a digital display.
3. Because it does not have a kink.
4. Its range does not include the body temperature range.

Q.

How does temperature affect gas pressure?

Q.

Alcohol thermometers are preferred to a mercury thermometer in cold countries. Explain.

Q.

Question 3

Paheli and Boojho measured their body temperature. Paheli found her’s to be ${98.6}^{\circ }F$ and Boojho recorded ${37}^{\circ }C$. Which of the followng statement is true?

(a) Paheli has a higher body temperature than boojho.

(b) Paheli has a lower body temperature than boojho

(c) Both have normal body temperature.

(d) Both are suffering from fever.

Q.

How does a digital thermometer work.

Q.

Who invented the mercury thermometer?

A.Gregorie Celsius

B. Galileo Galilei

C.Gregor Mendelev

D. Daniel Gabriel Fahrenheit

Q.

How does the digital thermometer measure temperature ?

Q. Heat is a form of :

1. Force
2. Temperature
3. Pressure
4. Energy

Q. Temperature is measured in _______ whereas heat is measured in _______.

1. calories; ${}^{o}C$
2. joules; ${}^{o}C$
3. ${}^{o}C$; calories
4. joules; calories

Q. Temperature is the measure of how hot or cold an object is.

1. True
2. False

Q.

Who do we call a veterinary doctor?

Q.

How do digital thermometer works

Q.

Question 5

Four arrangements to measure temperature of ice in beaker with laboratory thermometer are shown in Figure(a, b, c and d). Which one of them shows the correct arrangement for accurate measurement of temperature?

Q.

Why do we use metal pots and pans for cooking?

Q. What is the limitation of clinical thermometer ?

Q.

How to convert Fahrenheit to degree Celsius and how to convert degree Celsius to Fahrenheit?

Q.

A bimetallic strip is used in a __________to control temperature in electrical appliances.

Q.

ln sixs maximum and minimum thermometer, the thermometric liquid is mercury.

1. True
2. False

Q. Is our sense of touch a reliable method in identifying how hot an object is? If not, what should be done to identify the same?

Q. Give one use each for good and bad conductors of heat.

Q. Statement 1: Heat always flows from a body with higher heat energy to a body with lower heat energy.

Statement 2: Heat always flows from a body with a higher temperature to a body with a lower temperature.

1. Both the statements are true.
2. Both the statements are false.
3. Only statement 1 is true.
4. Only statement 2 is true.

Q.

State whether the following statement is true or false.

Temperature is measured using a thermometer.

1. True
2. False

Q.

Which of the following represents the smallest temperature change?

1. $1^{0}C$

2. $1^{0}F$

3. $1K$

4. Both (a) and (b)

Q.

Question 3 (a)
Fill in the blanks :
(a) The hotness of an object is determined by its___.

Q.

Question 6

Fig (a–d) shows a student reading a doctor’s thermometer. Which of the figure indicates the correct method of reading temperature?

Q.

The toxic chemical released by the paper industry.

Q.

Temperature is the degree of

1. hotness of a body

2. coldness of a body

3. any of (A) and (B)

4. none of these

Q.

How does a digital thermometer works?

Q.

The expansion produced in matter due to absorption of heat energy is called _______ expansion.