WorksheetsQuiz on Coefficient of Linear Expansion
Total questions: 10
Worksheet time: 5mins
What is the objective of Experiment 7?
To measure the coefficient of linear expansion of different metals.
To determine the density of various liquids.
To analyze the thermal conductivity of metals.
To study the properties of gases.
Which apparatus is NOT mentioned in the experiment?
Thermometer
Bunsen Burner
Steam generator
Microscope
What does the coefficient of linear expansion represent?
The change in length per unit length per degree change in temperature.
The change in volume per degree change in temperature.
The change in mass per degree change in temperature.
The change in density per degree change in temperature.
In the procedure, what should be done after heating the steam generator?
Attach the rubber tubing to the linear expansion apparatus.
Measure the initial length of the rod.
Wait for the steam to condense.
Record the temperature of the steam.
If the initial length of the iron rod is 2 m and the change in length is 0.000024 m, what is the coefficient of linear expansion?
12x10^-6 /°C
6x10^-6 /°C
24x10^-6 /°C
19x10^-6 /°C
What is the first step in the procedure for measuring the coefficient of linear expansion?
Start the timer.
Fill the steam generator with water.
Measure the length of the iron rod.
Attach the thermometer to the apparatus.
Why is it important to record the final temperature reading of the thermometer?
To determine the initial length of the rod.
To calculate the coefficient of linear expansion.
To find the change in length.
To calculate the error percentage.
What is the purpose of using a scientific calculator in this experiment?
To measure the temperature.
To calculate the coefficient of linear expansion.
To time the experiment.
To record the length of the rods.
What is the final step in the procedure for measuring the coefficient of linear expansion?
Clean the apparatus used.
Calculate the average temperature.
Turn off the steam generator.
Record the final length of the iron rod.
How does temperature affect the coefficient of linear expansion?
It remains constant regardless of temperature.
It increases with higher temperatures.
It only affects gases, not solids.
It decreases with higher temperatures.
