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 1: If the temperature of a resistance wire is gradually increased, its resistance will Options:
  A) decrease gradually
  B) first increase and then decrease
  C) first increase and then remain the same
  D) increase gradually
  E) remain the same
  Show Answer
  The correct answer is C .
• Question 2: 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 3: The primary aim in high tension transmission is to Options:
  A) minimize electrical energy losses due to heat production
  B) increase the rate of energy transfer by using high voltage
  C) increase the current in the wire
  D) generate electricity at high current and low voltage
  Show Answer
  The correct answer is A .
• Question 4: Which statement about the concept of temperature is NOT true? Options:
  A) Temperature decides the direction of heat flow between two bodies
  B) Temperature is a measure of coldness of a body
  C) Temperature is a vector quantity
  D) Temperature is a measure of hotness of a body.
  E) Temperature scales include Fahrenheit, Celsius and Kelvin
  Show Answer
  The correct answer is C .
• Question 5: Which of the following properties is NOT exhibited by sound waves? Options:
  A) Diffraction
  B) interference
  C) Polarisation
  D) Reflection
  E) Refraction
  Show Answer
  The correct answer is C .
• Question 6: A ray of light strikes a plane mirror at an angle of incidence of 35°. If the mirror is rotated through 10°, through what angle is the reflected ray rotated? Options:
  A) 70°
  B) 45°
  C) 25°
  D) 20°
  Show Answer
  The correct answer is D .
• Question 7: Boiling occurs when the vapour pressure of a liquid is Options:
  A) At the evaporation point
  B) Less than the atmospheric pressure
  C) Greater than the atmospheric pressure
  D) Equal to the atmospheric pressure
  Show Answer
  The correct answer is D .
• Question 8: A room is heated by means of a charcoal fire, An occupant of the room standing away from the fire is warmed mainly by Options:
  A) convection
  B) radiation
  C) conduction
  D) reflection
  Show Answer
  The correct answer is B .
• Question 9: 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 10: A circuit has an area of 0.4m² and consists of 50 loops of wire. If the loops are twisted and allowed to rotate at a constant angular velocity of 10 rad s^-1 in a uniform magnetic field of 0.4T, the amplitude of the induced voltage is Options:
  A) 8V
  B) 16V
  C) 20V
  D) 80V
  Show Answer
  The correct answer is D .