Practice MCQs For Measurement of Physical Quantities


This quiz contains practice questions for Measurement Of Physical Quantities (O Level). There are explanations for some of the questions after you submit the quiz. If you could not figure out why a particular option is the answer, feel free to drop a comment below or ask a question in ‘O’ & ‘A’ Level Discussion section of the forum. If you wish to contribute questions to this quiz, please contact us.

The quiz comprises of 10 questions, which are randomly selected from a large pool of questions. After completion, you can refresh the page and try the quiz again for a new set of 10 questions.

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1. Which of the following is a scalar quantity?

2. The diagram shows a vernier V placed against a scale S.

vernier qn 1

What is the vernier reading?

3. Which of the following is a vector quantity?

4. Which of the following is equivalent to the units of force?

5. The diagram shows part of a vernier scale.

vernier qn 2

What is the correct reading?

6. What is the zero error as shown in the figure below?

Caliper reading v3

7. When using a measuring cylinder, one precaution to take is to __________.

8. What is the zero error as shown in the figure below?

Caliper reading v1

9. A micrometer screw gauge is precise to ________ ?

10. Which of the following is precise, but not accurate?

Accuracy-vs-Precision version 2


 

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38 thoughts on “Practice MCQs For Measurement of Physical Quantities”

    • For measuring on vernier calipers, first read the main scale reading at the edge of the thimble, then read the thimble scale reading opposite the datum line, thimble scale has 50 divisions each division is equal to 0.01 mm, so multiply the thimble scale reading with 0.01 mm. Then add the both readings.

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