Laboratory Thermometer

Q.

State similarities and differences between laboratory thermometer and clinical thermometer.

Q. Who invented thermometer and which year?

Q.

$5$ differences between clinical and laboratory thermometers.

Q.

Differentiate between the following:

Lower and upper fixed points of a thermometer.

Q. What is the range of a laboratory thermometer?

1. -10 to 110 degree celsius
2. 0 to 50 degree celsius
3. -10 to 50 degree celsius
4. 0 to 100 degree celsius

Q. What is the use of a maximum-minimum thermometer?

Q.

Differentiate between ice point and steam point.

Q.

Why boiling water is not used to sterilize a clinical thermometer?

Q. Who invented the mercury thermometer?

1. Daniel Gabriel Fahrenheit
2. Gregor Mendelev
3. Galileo Galilei
4. Gregorie Celsius

Q. What is the use of a maximum-minimum thermometer?

Q.

Write a difference between Clinical thermometer and laboratory thermometer?

Q. Four arrangements to measure the temperature of the water in a beaker with a laboratory thermometer are shown in the figure. Which of the following shows the correct arrangement for accurate measurement of temperature?

1. 
2. 
3. 
4. 

Q.

For determining the melting point of ice the thermometer should be kept:

1. with its bulb in the ice cube

2. in contact with the inner wall of the beaker.

3. a little above the ice cube.

4. in touch with the beaker from outside.

Q.

The laboratory thermometer was invented by whom, when and where?

Q.

Laboratory Thermometers can be used to measure the temperature of boiling water.

1. Clinical thermometer

2. Laboratory thermometer

Q. What is the Kelvin scale of temperature?

Q. State four reasons for using mercury as a thermometric liquid.

Q. Swathi kept a laboratory thermometer in hot water for some time and took it out to read the temperature. Rani said it was the wrong way of measuring temperature. Do you agree with Rani? Explain your answer.

Q. Which thermometer is used to measure the extreme temperatures of the day, as reported in a newspaper?

1. Max-Min or Six's thermometer
2. Alcohol thermometer
3. Clinical thermometer
4. Laboratory thermometer

Q. On a thermometer, which measures temperature in degree celsius, there are 5 small divisions between $5°Cto6°C$. Each small division will be equal to _____.

1. 
   $0.1°C$
2. 
   $0.3°C$
3. 
   $0.4°C$
4. 
   $0.2°C$

Q. A laboratory thermometer is used to measure the temperature of boiling water.

1. False
2. True

Q. How does the kink near the bulb in a clinical thermometer help in measuring body temperature accurately?

Q. Explain the stepwise procedure that needs to be followed to measure the body temperature using a clinical thermometer?

Q. What precautions need to be taken while using a laboratory thermometer?

Q. A lab thermometer is used to measure the temperature of a chemical solution as shown below. The temperature recorded by the thermometer is______.

1. 48.3 ℃
2. 49.3 ℃
3. 48.6 ℃
4. 49.6 ℃

Q. What is the temperature reading on the thermometer as shown in the figure?

1. 36.6

Q. Arrange the temperatures of the following thermometers A, B, and C in increasing order.

1. 
   C < B < A
2. 
   B < A < C
3. 
   B < C < A
4. 
   A < B < C

Q. If X and Y represent the lower and upper limits of the temperature range of the given thermometer then the value of X and Y will be:

1. $X=35°C,Y=42°C$
2. $X=0°C,Y=100°C$
3. $X=10°C,Y=110°C$
4. $X=-10°C,Y=110°C$

Q.

The _____________of the thermometer should be made of thick glass to protect the capillary tube against any physical damage.

Q. A laboratory thermometer can read least values upto

1. $-{10}^{\circ }$ C
2. $0^{\circ }$ C
3. ${100}^{\circ }$ C