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An experiment was set up to verify Boyle's law - Leaving Cert Physics - Question 1 - 2018
Question 1
An experiment was set up to verify Boyle's law. (i) Draw a labelled diagram of the apparatus used in this experiment. The table shows the measurements obtained dur... show full transcript
Worked Solution & Example Answer:An experiment was set up to verify Boyle's law - Leaving Cert Physics - Question 1 - 2018
Step 1
Draw a labelled diagram of the apparatus used in this experiment.
Answer
To draw a labelled diagram for verifying Boyle's law, include:
- An enclosed tube filled with gas (air).
- A pressure gauge connected to measure the pressure.
- A volume scale alongside the tube to measure the gas volume.
- A method for varying pressure, such as a movable piston or gas syringe that adjusts the volume.
Step 2
Step 3
Step 4
Explain how the data can be used to verify Boyle's law.
Answer
The data can be graphically represented by plotting pressure (p) against volume (V). According to Boyle's law, pressure is inversely proportional to volume (p ∝ 1/V). A straight line through the origin indicates that this relationship holds true.
Step 5
State two precautions which the student might have taken to improve the accuracy of this experiment.
Answer
- Ensure to read the pressure and volume values at eye level to avoid parallax error.
- Avoid exceeding the pressure limits of the apparatus to prevent potential damage or inaccurate readings.