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 1791: An electron makes a transition from - 1.60 eV energy level to - 10.4eV energy level Calculate the energy loss due to the transition. Options:
  A) 16.64eV
  B) 12.00eV
  C) 10.40eV
  D) 8.80eV
  E) 6.50eV
  Show Answer
  The correct answer is D .
• Question 1792:

  

  The diagram above represents the field pattern obtained by bringing the poles of two magnets together.The poles must be

  Options:
  A) S-S poles
  B) S-N poles
  C) N-S poles
  D) N-N poles
  Show Answer
  The correct answer is A .
• Question 1793:

  I. The motion of the tyres of a moving car.

  II. The motion of a loaded test tube oscillated

  vertically.

  III. The beating of the heart.

  IV. A stone tied to a string and whirled round.

  V. The motion of the pistons in a gasoline engine.

  Which of the motions above is simple harmonic?

  Options:
  A) III, IV and V only
  B) II, III and V only
  C) II, III and IV only
  D) I,II and III only
  Show Answer
  The correct answer is B .
• Question 1794: Which of the following is a vector? Options:
  A) Electric charge
  B) Electric field
  C) Electrical potential difference
  D) Electrical capacitance
  Show Answer
  The correct answer is B .
• Question 1795: When a biro pen rubbed on a dry silk cloth is moved very close to a piece of paper on a dry table, the pen is found to pick up the paper. This is because Options:
  A) both the pen and the cloth are magnetized
  B) the pen is magnetized but the cloth is not
  C) the pen is charged while the cloth is magnetized
  D) both the pen and the cloth are charged
  Show Answer
  The correct answer is D .
• Question 1796:

  Which of the following may be used to explain a mirage?

  I. Layers of air near the road surface have varying refractive indices in hot weather

  II. Road surfaces sometimes become good reflectors in hot weather

  III. Light from the sky can be reflected upwards after coming close to the road surface.

  Options:
  A) I and III only
  B) II and III only
  C) II only
  D) I, II and III
  Show Answer
  The correct answer is A .
• Question 1797: An electric device is rated 2000W, 250V. Calculate the maximum current it can take Options:
  A) 9A
  B) 8A
  C) 7A
  D) 6A
  Show Answer
  The correct answer is B .
• Question 1798:

  A ball of mass 0.1kg is thrown vertically upwards with a speed of 10ms${}^{-1}$ from the top of a tower 10m high. Neglecting air resistance, its total energyjust before hitting the ground is? (Take g = 10ms${}^{-2}$)

  Options:
  A) 5J
  B) 10J
  C) 15J
  D) 20J
  Show Answer
  The correct answer is C .
• Question 1799: Which of the following symbolic representations is correct for an atom X with 22 electrons and 43 neutrons? Options:
  A) ${}_{22}^{43}X$
  B) ${}_{43}^{22}X$
  C) ${}_{43}^{65}X$
  D) ${}_{22}^{65}X$
  Show Answer
  The correct answer is D .
• Question 1800:

  

  The figure above shows a conductor PQ carrying a current I in the direction shown. At a particular position near the conductor is a compass needle K. Neglecting the earth's magnetic field, the compass needle will

  Options:
  A) settle in any direction
  B) settle in a fixed direction only if the conductor PQ is a magnetic material
  C) settle in a fixed direction WHETHER the conductor PQ is a magnetic material OR NOT
  D) be stationary
  Show Answer
  The correct answer is C .