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 2101:

  

  The figure above shows a block of mass m sliding down a rough inclined plane QP at angle $\theta$ . The forces acting on the block along QP are

  Options:
  A) mg sinθ and the normal reaction
  B) mg sinθ and the force of friction
  C) mg sinθ and the normal reaction
  D) mg cosθ and the normal reaction
  Show Answer
  The correct answer is B .
• Question 2102: A given quantity of heat increases the temperature of 150grams of water from 9^oC to 15^oC and increases the temperature of oil of 100grams from 9^oC to 25^oC. The ratio of the specific heat of oil to that of water is Options:
  A) 0.36
  B) 0.46
  C) 0.56
  D) 0.76
  E) 0.86
  Show Answer
  The correct answer is C .
• Question 2103:

  

  From the diagram above, calculate the total current in the circuit

  Options:
  A) 5.0A
  B) 3.7A
  C) 4.5A
  D) 4.0A
  Show Answer
  The correct answer is B .
• Question 2104:

  

  From the diagram above, calculate the energy stored in the capacitor

  Options:
  A) 4.0 x 10${}^{-2}$J
  B) 4.0 x 10${}^{-4}$J
  C) 8.0 x 10${}^{-4}$J
  D) 8.0 x 10${}^{-2}$J
  Show Answer
  The correct answer is B .
• Question 2105:

  Which of the following is not a vector quantity?

  Options:
  A) momentum
  B) force
  C) temperature
  D) displacement
  Show Answer
  The correct answer is C .
• Question 2106: A simple pendulum, 0.6m long, has a period of 1.5s. What is the period of a similar pendulum of 0.4m length in the same location? Options:
  A) $1.5\frac{\sqrt{2}}{3}$s
  B) $1.5\frac{\sqrt{3}}{2}$s
  C) 2.25s
  D) 1.00s
  E) 2.00s
  Show Answer
  The correct answer is A .
• Question 2107: The physical properties of sound waves can best be described by Options:
  A) reflection and diffraction
  B) polarization and reflection
  C) polarization and diffraction
  D) polarization and refraction
  Show Answer
  The correct answer is A .
• Question 2108:

  The bond between silicon and germanium is

  Options:
  A) covalent
  B) trivalent
  C) dative
  D) ionic
  Show Answer
  The correct answer is A .
• Question 2109: An electron of charge 1.6 x 10^-19C and mass 9.1 x 10^-31kg is accelerated between two metal plates with a velocity of 4 x 10⁷ms^-1, the potential difference between the plates is Options:
  A) 4.55 x 10³V
  B) 4.55 x 10²V
  C) 9.10 x 10¹V
  D) 4.55 x 10¹V
  Show Answer
  The correct answer is A .
• Question 2110:

  The mass of a nucleus is the

  Options:
  A) total number of its proton and neutrons
  B) number of its protons
  C) mass of its electrons
  D) total number of its protons and electrons
  Show Answer
  The correct answer is A .