Physics Exam Past Questions and Answers | JAMB, WAEC and NECO

Physics is the science that studies the nature and properties of matter and energy. It covers topics like motion, heat, light, sound, electricity, magnetism, and the structure of atoms.

• Question 1951: Why do soldiers march disorderly while crossing a bridge? Options:
  A) To prevent resonance on the bridge
  B) To set the bridge into resonance
  C) To make the b ridge collapse
  D) To spread their weight evenly on the bridge
  Show Answer
  The correct answer is A .
• Question 1952: Which of the following statements is (are) NOT correct? i. pressure changes do not affect the speed of sound in air ii. the velocity of sound increases with temperature iii. the quality of the note depends only on its frequency Options:
  A) i only
  B) ii only
  C) iii only
  D) i and iii
  E) ii and iii
  Show Answer
  The correct answer is D .
• Question 1953: The name given to the characteristics behaviour of substances which set their length perpendicular to a strong magnetic field instead of in line with it is Options:
  A) magnetization
  B) paramagnetism
  C) diamagnetism
  D) demagnetism
  E) ferromagnetism
  Show Answer
  The correct answer is A .
• Question 1954: Which of the following physical quantities is NOT a vector? Options:
  A) velocity
  B) work
  C) force
  D) electric field intensity
  E) magnetic induction
  Show Answer
  The correct answer is B .
• Question 1955: The distance xm travelled by a particle in time t seconds is described by the equation x = 10 + 12t², Find the average speed of the particle between the time interval t = 2s and t = 5s Options:
  A) 60 ms^-1
  B) 72 ms^-1
  C) 84 ms^-1
  D) 108 ms^-1
  Show Answer
  The correct answer is B .
• Question 1956: A current of 0.5 A flowing 3h Deposits 2g of metal during electrolysis. The quantity of the same metal that would be deposited by the currents of 1.5A flowing in 1h is Options:
  A) 2g
  B) 6g
  C) 10g
  D) 18g
  Show Answer
  The correct answer is A .
• Question 1957: The instrument to measure the relative density of light is Options:
  A) thermometer
  B) hydrometer
  C) spring balance
  D) beaker
  Show Answer
  The correct answer is B .
• Question 1958: If u is the object distance and v the image distance, which of the following expressions gives the linear magnification produced by a convex lens of focal length f? Options:
  A) ^u/_f - f
  B) ^u/_v + f
  C) ^v/_f + 1
  D) ^v/_f - 1
  Show Answer
  The correct answer is D .
• Question 1959:

  

  In the circuit Shown above, calculate the effective capacitance between X and Y

  Options:
  A) 3/4µF
  B) µ$2\frac{10}{13}\mu F$
  C) 12µF
  D) µ$4\frac{12}{13}\mu F$
  E) 13µF
  Show Answer
  The correct answer is B .
• Question 1960:

  The limiting frictional force between two surface depends on

  I. the normal reaction between the surfaces

  II. the area of surface in contact

  III. the relative velocity between the surfaces

  IV. the nature of the surface

  Options:
  A) I only
  B) I and IV only
  C) II only
  D) III only
  Show Answer
  The correct answer is B .