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 1501: What gives rise to the line spectra observed in atoms? Options:
  A) change of an electron from a higher to a lower energy level in the atom
  B) disturbed protons in the nucleus
  C) excitation of an electron in the atom
  D) kinetic energy of a moving atom
  E) potential energy of an electron inside an atom
  Show Answer
  The correct answer is A .
• Question 1502:

  The pitch of an acoustic device can be increased by

  Options:
  A) decreasing the loudness
  B) increasing the intensity
  C) increasing the frequency
  D) decreasing the intensity
  Show Answer
  The correct answer is C .
• Question 1503: Ripples on water and light waves are similar because both Options:
  A) have the same frequency
  B) can be refracted and diffracted
  C) are longitudinal waves
  D) have the same velocity
  Show Answer
  The correct answer is C .
• Question 1504: Flourescent tubes produces light by the Options:
  A) excitation of gas molecules
  B) conduction of solar energy
  C) refraction of light by gas molecules
  D) thermal agitation of electron in the tubes
  Show Answer
  The correct answer is A .
• Question 1505: A series RLC circuit is said to resonate, when Options:
  A) capacitive reactance is zero
  B) conductance is maximum
  C) current is minimum
  D) impedance is minimum
  E) inductive reactance is zero
  Show Answer
  The correct answer is D .
• Question 1506: Which of the following consists entirely of vector quantities? Options:
  A) Velocity, magnetic fulx and reaction
  B) Tension, magnetic flux and mass
  C) Displacement, impulse and power
  D) Work, pressure and moment
  Show Answer
  The correct answer is A .
• Question 1507: When a man moves toward a plane mirror at a speed of 6m/s, the distance the man and his image increased at a speed of? Options:
  A) 2 m/s
  B) 4 m/s
  C) 12 m/s
  D) 14 m/s
  Show Answer
  The correct answer is C .
• Question 1508: If the inclination at Ibadan is 7^oS, this means that Options:
  A) the angle between the geographic meridian and the magnetic meridian at Ibadan is 7^o
  B) the earth's magnetic intensity at Ibadan makes angle 7^o with the horizontal direction
  C) a magnetic needle will be inclined at 7^o to the vertical at Ibadan
  D) the north pole of a magnetic needle dips downward at Ibadan
  Show Answer
  The correct answer is B .
• Question 1509: Two forces whose resultant is 100N, are at right angle to each other. If one of them makes an angle 30^o with the resultant, determine its magnitude. Options:
  A) 8.66N
  B) 50.0N
  C) 57.7N
  D) 86.6N
  Show Answer
  The correct answer is D .
• Question 1510:

  

  The figure above shows three capacitors, 2μF, 3μF and 6μF connected in series. If the p.d across the system is 12V, the p.d, across the 6μF capacitor is

  Options:
  A) 4V
  B) 12V
  C) 2V
  D) 6V
  Show Answer
  The correct answer is C .