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 2391:

  Three resistors with resistance 200Ω, 500Ω and 1kΩ are connected in series. A 6v battery is connected to either end of the combination. Calculate the potential difference between the ends of 200Ω resistance.

  Options:
  A) 0.71V
  B) 0.7V
  C) 0.82V
  D) 0.8V
  Show Answer
  The correct answer is A .
• Question 2392:

  A tuning fork having a frequency of 312 Hz emits a wave which has a wavelength of 1.10 m. Calculate the velocity of sound

  Options:
  A) 312.0 ms${}^{-1}$
  B) 110.0 ms${}^{-1}$
  C) 343.2 ms${}^{-1}$
  D) 686.4 ms${}^{-1}$
  Show Answer
  The correct answer is C .
• Question 2393: 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 2394:

  A ray of light passes through the centre of curvature of a concave mirror and strikes the mirror. At what angle is the ray reflected?

  Options:
  A) 180${}^o$
  B) 90${}^o$
  C) 0${}^o$
  D) 60${}^o$
  Show Answer
  The correct answer is C .
• Question 2395: A closed coil of wire is placed near a magnet. The magnet lies along the axis of the coil. Under which of the following conditions would there be no current in the coil? Options:
  A) When the coil is moved toward the stationary magnet
  B) When the coil is moved away from the stationary magnet
  C) when the coil is held stationary but the magnet is moved towards the coil
  D) when both the coil and the magnet are held stationary
  E) when the coil is held stationary but the magnet is moved away from the cell
  Show Answer
  The correct answer is D .
• Question 2396: 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 2397:

  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 2398: When heat is applied to one end of a metal rod, the molecules at the other end soon begin to vibrate with greater amplitude than before because heat has been transferred by Options:
  A) radiation
  B) convection
  C) conduction
  D) evaporation
  Show Answer
  The correct answer is C .
• Question 2399: If the volume of a gas is recoded as 76cm³ at a temperature of 27°C with a pressure of 800mmHg. What will be the volume of the gas at S.T.P? Options:
  A) 36.2cm³
  B) 25.7cm³
  C) 72.8cm³
  D) 24.3cm³
  Show Answer
  The correct answer is C .
• Question 2400: Two liquids, P at a temperature of 20^oC and Q at a temperature of 80^oC have specific heat capacities of 1.0Jkg^-1oC^-1 and 1.5J kg^-1oC^-1respectively. if equal masses of P and Q are mixed in a lagged calorimeter, then the equilibrium temperature is Options:
  A) 44^oC
  B) 50^oC
  C) 56^oC
  D) 60^oC
  E) 70^oC
  Show Answer
  The correct answer is C .