Class VII

Which of the following is a scalar quantity?
  1. Distance
  2. Displacement
  3. Velocity
  4. Force
If the an object moving along a straight line, keeps changing its speed then
  1. The motion is said to be a uniform motion
  2. The motion is said to be a non uniform motion
  3. The object is said to be stationary
  4. The object is said to be stationary
The basic unit of speed is:
  1. km/min
  2. m/min
  3. km/h
  4. m/s
A faster moving object covers:
  1. Less distance in more time
  2. More distance in more time
  3. Less distance in shorter time
  4. More distance in shorter time
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
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