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 1991: The difference observed in solids, liquids and gases can be accounted for by Options:
  A) The different molecules in each of them
  B) The spaces and forces acting between the molecules
  C) Thier melting points
  D) Their relative massess
  Show Answer
  The correct answer is B .
• Question 1992: 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 1993: Three capacitors of capacitance 2μF, 4μFand 8μF are connected in parallel and a P.D of 6V is maintained across each capacitor, the total energy stored is Options:
  A) 2.52 x 10^-6J
  B) 6.90 x 10^-6J
  C) 2.52 x 10^-4J
  D) 6.90 x 10^-4J
  Show Answer
  The correct answer is C .
• Question 1994:

  

  In the a.c circuit above, the current value is

  Options:
  A) 0.58 A
  B) 3.00 A
  C) 4.00 A
  D) 6.67 A
  Show Answer
  The correct answer is C .
• Question 1995:

  The pinhole camera works on

  Options:
  A) the principle of the reversibility of light
  B) the principle of the rectilinear propagation of light
  C) Huygen’s principle
  D) the principle of total internal reflection of light
  Show Answer
  The correct answer is B .
• Question 1996: A cell of e.m.f 2V and internal resistance 1$\mathrm{\Omega }$ supplies a current of 0.5 amps to a resistance whose value is Options:
  A) 0.5$\mathrm{\Omega }$
  B) 1$\mathrm{\Omega }$
  C) 2$\mathrm{\Omega }$
  D) 2.5$\mathrm{\Omega }$
  E) 3$\mathrm{\Omega }$
  Show Answer
  The correct answer is E .
• Question 1997: A note is the octave of another note if it has Options:
  A) a frequency twice that of the first note
  B) frequency half that of the first note
  C) the same fundamental frequency as the first one
  D) a frequency frequency eight times that of the first note
  Show Answer
  The correct answer is A .
• Question 1998: Which of the following is most strongly deflected by magnetic field? Options:
  A) $\gamma$ - rays
  B) X- particle
  C) $\beta$ - particles
  D) X - rays
  Show Answer
  The correct answer is C .
• Question 1999: The instrument used to measure the pressure of a gas is Options:
  A) barometer
  B) thermometer
  C) hygrometer
  D) manometer
  Show Answer
  The correct answer is D .
• Question 2000: A spring of force constant 1500Nm^-1 is acted upon by a constant force of 75N. Calculate the potential energy stored in the string Options:
  A) 1.9J
  B) 2.8J
  C) 3.45J
  D) 0.43J
  Show Answer
  The correct answer is A .