Which of the following is the most suitable instrument to measure the internal diameter of a test tube?
Question
Which of the following is the most suitable instrument to measure the internal diameter of a test tube?
Solution
The most suitable instrument to measure the internal diameter of a test tube is a Vernier caliper. Here are the steps to use it:
- Open the jaws of the Vernier caliper.
- Insert the lower jaws into the test tube.
- Close the jaws until they touch the inner sides of the test tube.
- Read the scale on the Vernier caliper to get the internal diameter of the test tube.
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