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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 train moving at 72 km/h slows down to 36 km/h in 10 minutes. Its average speed during deceleration is:
108 km/h.
72 km/h.
54 km/h.
36 km/h.
Distance traveled by an object moving at 12 m/s in 15 seconds is:
180 m.
200 m.
120 m.
150 m.
A cyclist travels 45 km in 1.5 hours, then 30 km in 1 hour. The overall average speed is:
30 km/h.
37.5 km/h.
35 km/h.
36 km/h.
Which device measures the speed of a moving car?
Ruler.
Thermometer.
Speedometer.
Balance.
Speed is calculated as:
Time ÷ Distance.
Force ÷ Mass.
Mass ÷ Volume.
Distance ÷ Time.
