0.000 s
Revise smart, understand Better
Select Lessons (11)
MATTER ITS PROPERTIES & ITS TRANSFORMATION: Change of state
MATTER ITS PROPERTIES & ITS TRANSFORMATION: Heat & Thermal Insulation
MATTER ITS PROPERTIES & ITS TRANSFORMATION: Temperature
Matter: Its Properties & Transformation
THE WORLD OF SCIENCE: Base Physical Quantities, SI Units & Measuring Instruments
THE WORLD OF SCIENCE: Measurement of Density
THE WORLD OF SCIENCE: Measurements of Speed
THE WORLD OF SCIENCE: Scientific Method
THE WORLD OF SCIENCE: Simple application of measurements
The Science World
5/30 MCQs for:
THE WORLD OF SCIENCE: Measurements of Speed
A car moves 200 m east in 20 s, then 200 m west in 40 s. Total distance and displacement are:
200 m; 200 m.
200 m; 0 m.
400 m; 0 m.
400 m; 200 m.
Distance traveled by an object moving at 12 m/s in 15 seconds is:
150 m.
200 m.
120 m.
180 m.
A cyclist covers 15 km in 0.5 hours. His speed is:
15 km/h.
7.5 km/h.
30 km/h.
20 km/h.
If a runner covers 200 m in 25 s, what is the speed in km/h?
8 km/h.
7.2 km/h.
28.8 km/h.
72 km/h.
Which device measures the speed of a moving car?
Thermometer.
Speedometer.
Ruler.
Balance.
