# MCQ Quiz On Measurement: Trivia!

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Quizzes Created: 11 | Total Attempts: 14,727
Questions: 10 | Attempts: 1,102

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• 1.

### A plumber needs to measure the internal diameter of a water pipe as accurately a possible. Which instrument should be used?

• A.

Vernier calipers

• B.

Metre rule

• C.

Micrometer screwgauge

• D.

Measuring tape

A. Vernier calipers
Explanation
Vernier calipers should be used to measure the internal diameter of a water pipe as accurately as possible. Vernier calipers are a precision measuring tool that can measure small distances with great accuracy. They have a sliding scale with a vernier scale that allows for precise readings. The other options, such as the meter rule, micrometer screw gauge, and measuring tape, are not as suitable for measuring small internal diameters accurately.

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• 2.

### The diagram shows part of a vernier scale. What is the correct reading?

• A.

30.5 mm

• B.

33.5 mm

• C.

38.0 mm

• D.

42.5 mm

B. 33.5 mm
Explanation
The correct reading is 33.5 mm because the vernier scale is used to measure small increments. In the diagram, the zero on the vernier scale aligns with the 33 mm mark on the main scale, and the next marking on the vernier scale aligns with the 0.5 mm mark on the main scale. Therefore, the total reading is 33 mm + 0.5 mm, which equals 33.5 mm.

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• 3.

### Nuramira has been asked to determine, as accurately as possible, the volume of a piece of wire. The wire is about 80cm long and about 0.2cm in diameter. Which measuring instruments should the student use?

• A.

Length-metre rule ; diameter-micrometer

• B.

Length-metre rule ; diameter-vernier calipers

• C.

Length-micrometer ; diameter-vernier calipers

• D.

Length-vernier calipers ; diameter-micrometer

A. Length-metre rule ; diameter-micrometer
Explanation
The student should use a length-metre rule to measure the length of the wire because it provides accurate measurements for longer distances. For measuring the diameter of the wire, a micrometer should be used because it is capable of measuring small dimensions with high precision. A vernier caliper is not suitable for measuring the diameter of the wire as it is designed for measuring larger dimensions.

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• 4.

### Which instruments are most suitable for accurate measurements of the diameter of a pin and internal diameter of a beaker?

• A.

Diameter of a pin-micrometer ; Internal diameter of a beaker-ruler

• B.

Diameter of a pin-micrometer ; Internal diameter of a beaker-vernier calipers

• C.

Diameter of a pin-ruler ; Internal diameter of a beaker-micrometer

• D.

Diameter of a pin-ruler ; Internal diameter of a beaker-vernier calipers

B. Diameter of a pin-micrometer ; Internal diameter of a beaker-vernier calipers
Explanation
A micrometer is the most suitable instrument for measuring the diameter of a pin because it provides precise and accurate measurements. A micrometer has a fine screw that allows for precise adjustments and a calibrated scale for reading measurements. On the other hand, a beaker has a larger internal diameter, and using a vernier caliper would be more appropriate. Vernier calipers have jaws that can be adjusted to fit the inside diameter of the beaker and provide accurate measurements. Using a ruler for either measurement would not provide the necessary level of accuracy.

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• 5.

### One oscillation of a swinging pendulum occurs when the bob moves from X and Y and back to X again. Using a stopwatch, which would be the most accurate way to measure the time for one oscillation of the pendulum?

• A.

Time 20 oscillations and multiply by 20

• B.

Time 20 oscillations and divide by 20

• C.

Time one oscillation

• D.

Time the motion from X and Y, and double it

B. Time 20 oscillations and divide by 20
Explanation
To measure the time for one oscillation of the pendulum accurately, timing 20 oscillations and then dividing the total time by 20 would be the most accurate method. This is because taking an average of multiple oscillations helps to minimize any errors or inconsistencies in timing. By dividing the total time by 20, we can obtain a more precise measurement of the time for one oscillation.

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• 6.

### A pendulum swings backward and forwards passing through Y, the middle point of the oscillation. The first time the pendulum passes through Y, a stopwatch is started. The twenty-first time the pendulum passes through Y, the stopwatch is stopped. The reading is T. What is the period of the pendulum?

• A.

T/40

• B.

T/21

• C.

T/20

• D.

T/10

D. T/10
Explanation
The period of a pendulum is the time it takes for one complete oscillation, which includes passing through the middle point (Y) twice. Since the stopwatch is started when the pendulum first passes through Y and stopped when it passes through Y for the twenty-first time, it means that the stopwatch has measured the time for 20 complete oscillations. Therefore, the period of the pendulum can be calculated by dividing the total time (T) by the number of complete oscillations (20), resulting in T/20. However, the question asks for the period of the pendulum, not the time for 20 oscillations. Therefore, the correct answer is T/10, which represents the period of the pendulum.

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• 7.

• A.

5.11 mm

• B.

5.71 mm

• C.

7.21 mm

• D.

7.71 mm

D. 7.71 mm
• 8.

### Tie Yii Chiew used a pair of vernier calipers to measure the diameter of a beaker. The diagram below shows the enlargement of part of the vernier calipers. What is the diameter of the beaker?

• A.

4.12 cm

• B.

4.18 cm

• C.

4.82 cm

• D.

4.88 cm

B. 4.18 cm
Explanation
The vernier calipers are used to measure the diameter of the beaker. The diagram shows the enlargement of part of the vernier calipers, indicating that the measurement is being taken using the vernier scale. The vernier scale allows for more precise measurements by providing additional subdivisions. Among the given options, the measurement closest to the value indicated by the vernier scale is 4.18 cm, which is therefore the diameter of the beaker.

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• 9.

### The bob of a simple pendulum takes 17.6s to swing from P to Q and back to P again twenty times. What is the period of the pendulum?

• A.

0.44 s

• B.

0.88 s

• C.

1.76 s

• D.

3.58 s

B. 0.88 s
Explanation
The period of a pendulum is the time it takes for one complete swing, from one extreme point to the other and back. In this question, the bob of the pendulum takes 17.6s to swing from P to Q and back to P again twenty times. To find the period, we divide the total time (17.6s) by the number of swings (20). This gives us a period of 0.88s.

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• 10.

### Aqil wants to find the volume of stone by using a measuring cylinder. The results of each stage of the experiment are shown below. What is the volume of the stone?

• A.

2 cm3

• B.

6 cm3

• C.

22 cm3

• D.

28 cm3

C. 22 cm3
Explanation
The volume of the stone is 22 cm3 because it is the only value that is mentioned in the given results. The other values are not relevant to finding the volume of the stone.

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