Class VII

Which of the following is a scalar quantity ? 
  1. Distance 
  2. Displacement 
  3. Velocity 
  4. Force 
The mater that is used to measure the distance moved by the vehicle is known as _ 
  1. Speedometer 
  2. Odometer 
  3. Chronometer 
  4. Ammeter 
Which of the following instrument measures time with the most accuracy ? 
  1. Sun dial 
  2. Sand clock 
  3. Quartz clock
  4. Mechanical clock with gears 
Which of the following relatons is correct ? 
  1. Speed = Distance x Time 
  2. Speed = Distance ÷ Time 
  3. Speed = Time ÷ Distance 
  4. Speed = 1/(Distance x Time) 
36 km/hr can also be expressed as : 
  1. 10 m/s 
  2. 3.6 m/s 
  3. 100 m/s 
  4. 36 m/s 
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