Q. A body of mass 10 kg accelerates from rest at the rate of 3 m /sec2. What distance would the body travel in 10 seconds?
1) 250 metres
2) 100 metres
3) 150 metres
4) 200 metres
Q. The term acceleration means -
1) Maximum speed of a vehicle
2) Rate of change of time
3) Rate of change of velocity
4) Rate of change of distance
Q. The load on a spring per unit deflection is called -
1) Stress
2) Flexibility
3) Stiffness
4) Strain
Q. Asa train approaches us, the frequency or shrillness of its whistle increases. This phenomenon is explained by -
1) Big Bang Theory
2) Doppler Effect
3) Charles Law
4) Archimedes Principle
Q. A stick is dipped in a vessel containing water. It appears bent due to the property of -
1) Reflection
2) Newton's law of motion
3) Refraction
4) Buoyancy
Q. The purity of milk is confirmed by -
1) Barometer
2) Lactometer
3) Altimeter
4) Hygroscope
Q. Boyle's law states that -
1) Volume is directly proportional to temperature
2) Pressure is inversely proportional to temperature
3) Pressure is directly proportional to temperature
4) Pressure is inversely proportional to volume
Q. Humidity refers to -
1) Both the temperature and moisture contents of the air
2) Temperature content of the air
3) The moisture content of the air
4) The pressure of the air
Q. A swimmer finds it easier to swim in seawater than in plain water. Why?
1) Sea water has less contamination
2) Sea waves help a swimmer to swim
3) Sea water has a higher density than plain water
4) The sea has a much higher volume of water
Q. Which one of the following quantities does not have a unit?
1) Velocity
2) Density
3) Specific Gravity
4) Mass
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