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Measurement of Time and Motion

Science · Class 7 · All

ScienceClass 7AllMedium
Q1/15
45s

Which motion is shown by the hands of a clock?

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All 15 questions in this quiz

  1. Why are standard units of time and distance important?

    1. They make measurements confusing.
    2. They ensure accurate and uniform measurements everywhere.
    3. They are useful only in schools.
    4. They eliminate the need for measuring instruments.

  2. Which motion is shown by the hands of a clock?

    1. Random motion
    2. Periodic motion
    3. Zigzag motion
    4. Straight-line motion

  3. Which instrument measures the distance travelled by a vehicle?

    1. Stopwatch
    2. Odometer
    3. Speedometer
    4. Thermometer

  4. Why is measuring time important in studying motion?

    1. It changes the colour of objects.
    2. It helps determine how fast or slow an object moves.
    3. It increases the weight of objects.
    4. It changes the direction of motion.

  5. Which of the following is an example of rotational motion?

    1. A spinning top
    2. A running athlete
    3. A moving train
    4. A flying bird

  6. Which quantity must be known to calculate speed?

    1. Colour and shape
    2. Distance and time
    3. Weight and height
    4. Temperature and pressure

  7. Which type of motion is shown by the Earth as it revolves around the Sun?

    1. Circular motion
    2. Periodic motion
    3. Rotational motion
    4. Both A and B

  8. Which of the following is an example of periodic motion?

    1. A moving car on a highway
    2. The swinging of a pendulum
    3. A flying kite
    4. A rolling football

  9. Which instrument is used to measure short intervals of time accurately?

    1. Stopwatch
    2. Compass
    3. Thermometer
    4. Telescope

  10. Which instrument is commonly used to measure the speed of a vehicle?

    1. Thermometer
    2. Speedometer
    3. Barometer
    4. Stopwatch

  11. Which SI unit is used to measure speed?

    1. Kilogram
    2. Metre per second (m/s)
    3. Second
    4. Newton

  12. What is speed?

    1. Distance travelled per unit time
    2. Time taken per unit distance
    3. Weight divided by time
    4. Height divided by length

  13. Which SI unit is used to measure time?

    1. Kilogram
    2. Metre
    3. Second
    4. Litre

  14. Which instrument is commonly used to measure time?

    1. Thermometer
    2. Clock
    3. Balance
    4. Barometer

  15. What is meant by motion?

    1. The colour of an object
    2. The change in position of an object with time
    3. The weight of an object
    4. The shape of an object