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Physics Past Questions and Answers

Waec Physics Questions

Question 26:
WAEC 1988
Which of the following correctly gives the relationship between linear speed V and angular speed ω of a body moving uniformly in a circle of radius r?
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  • A V = ωr
  • B V = ω2r
  • C V = ωr2
  • D V2 = ωr
  • E V = ω/r
View Answer & Explanation
Question 27:
WAEC 1988
The motion of a body is simple harmonic if the
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  • A Acceleration is always directed towards a fixed point
  • B Path of motion is a striaght line
  • C Acceleration is directed towards a fixed point and proportional to its distance from the point
  • D Acceleration is proportional to the square of the distance from a fixed point
  • E Acceleration is constant and directed towards a fixed point
View Answer & Explanation
Question 28:
WAEC 1988
Which of the following statements about the gaseous state of matter is not correct? The molecules of a substance is in gaseous state
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  • A Are in constant state of motion
  • B Have different speed
  • C Have a temperature which is an average measure of the kinetic energy
  • D Have no intermolecular attractive force
  • E Have a pressure which is determined by the number of molecules present
View Answer & Explanation
Question 29:
WAEC 1988
Which of the following cannot be used to measure the temperature of a substance?
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  • A Variation of pressure with temperature
  • B Expansivity of a liquid
  • C Change in resistance of a conductor
  • D Thermometric effect
  • E Change in color with temperature
View Answer & Explanation
Question 30:
WAEC 1988
The clinical thermometer is characterized by having a
SchoolNGR Classroom
  • A Wide range of temperature
  • B Wide bore
  • C Long stem
  • D Constriction
  • E Narrow bore
View Answer & Explanation

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