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3RD TERM PHYSICS SS1
  • 1. The pressure exerted by a liquid depends on.
A) Volume of the container
B) Colour of the liquid
C) Shape of the container
D) Depth of the liquid
  • 2. The SI unit of pressure is
A) Pascal
B) Newton
C) Watt
D) Joule
  • 3. Pressure is defined as
A) Force ÷ Area
B) Force × Area
C) Area ÷ Force
D) Mass × Acceleration
  • 4. Atmospheric pressure is measured with a
A) Barometer
B) Ammeter
C) Hydrometer
D) Thermometer
  • 5. An instrument used to measure the relative density of liquids is a
A) Hydrometer
B) Manometer
C) Barometer
D) Hygrometer
  • 6. Upthrust is equal to the
A) Weight of the displaced fluid
B) Volume of the liquid
C) Density of the body
D) Weight of the body
  • 7. A body floats in a liquid when its
A) Volume is zero
B) Density is less than that of the liquid
C) Mass is zero
D) Density is greater than that of the liquid
  • 8. Boyle's law states that for a fixed mass of gas at constant temperature, pressure is
A) Equal to density
B) Inversely proportional to volume
C) Equal to temperature
D) Directly proportional to volume
  • 9. According to Boyle's law, if the pressure doubles, the volume will
A) Remain constant
B) Double
C) Triple
D) Reduce to half
  • 10. Charles' law states that the volume of a fixed mass of gas is directly proportional to its
A) Density
B) Mass
C) Absolute temperature
D) Pressure
  • 11. Absolute zero is
A) 273°C
B) 0°C
C) –273°
D) –100°C
  • 12. The SI unit of temperature is
A) Fahrenheit
B) Joule
C) Celsius
D) Kelvin
  • 13. Simple harmonic motion is a motion in which the restoring force is directed
A) Upward only
B) Away from equilibrium
C) Towards equilibrium
D) Downward only
  • 14. An example of simple harmonic motion is
A) Motion of a pendulum for small oscillations
B) Motion of a football
C) Motion of a bicycle
D) Motion of a car
  • 15. The time taken for one complete oscillation is called the
A) Period
B) Frequency
C) Velocity
D) Amplitude
  • 16. Frequency is measured in
A) Newton
B) Pascal
C) Joule
D) Hertz
  • 17. The maximum displacement from the mean position is called
A) Frequency
B) Period
C) Amplitude
D) Velocity
  • 18. A projectile is an object that moves under the influence of
A) Magnetism
B) Friction only
C) Electricity
D) Gravity only
  • 19. The path followed by a projectile is
A) Zigzag
B) Parabolic
C) Circular
D) Straight
  • 20. At the highest point of a projectile's motion, its vertical velocity is
A) Equal to horizontal velocity
B) Constant
C) Zero
D) Maximum
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