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 1001:

  A cone is in unstable equilibrium has its potential energy

  Options:
  A) decreased
  B) increased
  C) unchanged
  D) oscillating
  Show Answer
  The correct answer is A .
• Question 1002: The S.I unit of moment of a force is Options:
  A) kgm
  B) µm
  C) Jm
  D) µm${}^{-1}$
  Show Answer
  The correct answer is B .
• Question 1003: A transistor is used in the amplification of signals because it Options:
  A) controls the flow of current
  B) consumes a lot of power
  C) allows doping
  D) contains electron and hole carriers
  Show Answer
  The correct answer is A .
• Question 1004: The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth’s surface. If the weight of an object at X is 4.80N. what is its weight on the earth? Options:
  A) 1.92N
  B) 2.88N
  C) 6.72N
  D) 8.00N
  E) 12.00N
  Show Answer
  The correct answer is E .
• Question 1005:

  

  In a resonance tube experiment, which is illustrated above, the velocity of sound in air is 327.68m/s, the frequency of the turning fork used is therefore

  Options:
  A) 128HZ
  B) 256HZ
  C) 512HZ
  D) 768HZ
  E) 1024HZ
  Show Answer
  The correct answer is C .
• Question 1006:

  

  In fig 9 the value of R is

  Options:
  A) 3Ω
  B) 4Ω
  C) 5Ω
  D) 6Ω
  Show Answer
  The correct answer is D .
• Question 1007: A man standing 300m away from the wall sounds a whistle. The echo from the wall reaches him 1.8sec. later, calculate the velocity of sound in air Options:
  A) 540.0ms^-1
  B) 333.3ms^-1
  C) 270.0ms^-1
  D) 166.7ms^-1
  E) 83.3ms^-1
  Show Answer
  The correct answer is B .
• Question 1008: Which of the following types of motion is/are exhibited by a cylindrical drum rolling down an incline plane? Options:
  A) Random and rotational
  B) Rotational and oscillatory
  C) Rotational only
  D) Translations only
  E) Translational and rotational
  Show Answer
  The correct answer is E .
• Question 1009:

  A block of mass 2kg resting on a smooth horizontal plane is acted upon simultaneously by two-forces, 10N due North and 10N due East. The magnitude of the acceleration produced by the force on the block is

  Options:
  A) 0.10ms^-2
  B) 7.07ms^-2
  C) 10.00ms^-2
  D) 14.10ms^-2
  E) 20.00ms^-2
  Show Answer
  The correct answer is B .
• Question 1010: An engine of a car of power 80 kW moves on a rough road with a velocity of 32 ms^-1. The forces required to bring it to rest is Options:
  A) 2.56 x 10⁶N
  B) 2.50 x 10⁶N
  C) 2.80 x 10³N
  D) 2.50 x 10³N
  Show Answer
  The correct answer is D .