Thermometer
Thermometer: Overview
Through this topic, we will explore the thermometer along with its two common scales. It discusses the conversion of one scale to another. We will also study the methods used to read a thermometer with a brief on the clinical thermometer.
Important Questions on Thermometer
Water was used in the first thermometer as it is largely available liquid.
Describe the working principle of a liquid thermometer. What are the properties of mercury and alcohol that make them suitable to use as thermometric liquids? Write a short note on Digital thermometer.
What you mean by temperature scales? Describe Celsius scale, Fahrenheit scale and Kelvin scale. State the temperature conversion relations among the different temperature scales.
Explain a laboratory thermometer with the help of a diagram. What are the precautions to be taken while using a laboratory thermometer?
Explain a clinical thermometer with the help of a diagram. What are the precautions to be taken while using a clinical thermometer?
A liquid expands on heating. Do you agree with the statement? Justify your answer with the help of an activity.
A liquid thermometer works on the principle of thermal expansion.
Air was used in the first thermometer as it expands rapidly on _____ and contracts on cooling.
The temperature which has same numerical value on Celsius and Fahrenheit scale is:
Liquid expands on heating. Do you agree with the statement? Justify your answer.
A clinical thermometer contains a thermistor.
A six's thermometer is used to measure the human body temperature.
A laboratory thermometer can be used to measure the maximum and minimum temperatures of the day.
An ethanol thermometer has a greater value of _____ coefficient of expansion than a mercury thermometer.
List the advantages of ethanol thermometer over other liquid thermometers.
The increase in room temperature leads to the expansion of mercury thermometer.
Explain the disadvantage of mercury thermometer on the basis of overheating.
