Physical Quantities and Measurement Techniques

Physical Quantities and Measurement Techniques Quiz

Spec 1.1 · Cambridge IGCSE Physics: Quiz

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5 questions, one answer each

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  1. 1. Which of the following is a vector quantity?

    • A. Distance
    • B. Temperature
    • C. Velocity
    • D. Energy

  2. 2. When measuring the period of oscillation of a pendulum, why is it better to measure the time for multiple oscillations rather than just one?

    • A. It reduces the effect of random errors in timing
    • B. It measures a longer time interval which is easier to read
    • C. It increases the accuracy of the period calculation
    • D. All of the above

  3. 3. A measuring cylinder is used to find the volume of an irregular solid. The water level rises from 50 cm³ to 85 cm³. What is the volume of the solid?

    • A. 50 cm³
    • B. 35 cm³
    • C. 85 cm³
    • D. 135 cm³

  4. 4. Two forces act at right angles to each other: one force is 3 N and the other is 4 N. What is the magnitude of the resultant force?

    • A. 1 N
    • B. 5 N
    • C. 7 N
    • D. 12 N

  5. 5. A student measures the length of a desk five times using a ruler and records: 1.20 m, 1.19 m, 1.21 m, 1.20 m and 1.22 m. Which statement correctly describes the procedure for finding the best estimate of the desk length?

    • A. Use the first measurement as it was the most careful
    • B. Calculate the mean of all five measurements to reduce the effect of random errors
    • C. Ignore the largest and smallest values and use the remaining three
    • D. Use only the measurement closest to 1.20 m

Quiz