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 1091:

  The time rate of loss of heat by a body is proportional to the

  Options:
  A) temperature of its surroundings
  B) temperature of the body
  C) difference in temperature between the body and its surroundings
  D) ratio of the temperature of the body to that of its surroundings
  Show Answer
  The correct answer is C .
• Question 1092:

  

  The electric field between two - point charges is shown in the diagram above. What types of charges are at X and Y?

  Options:
  A) Both X and Y are negative
  B) Both X and Y are positive
  C) X is positive and Y is negative
  D) X is negative and Y is positive
  Show Answer
  The correct answer is B .
• Question 1093: The areas of the effort and load pistons of a hydraulic press are 0.5m² and 5m² respectively. If a force F₁ of 100N is applied on the effort piston, the force F₂ on the load is Options:
  A) 10N
  B) 100N
  C) 500N
  D) 1000N
  E) 5000N
  Show Answer
  The correct answer is D .
• Question 1094:

  Which of the following is NOT an example of elementary modern physics?

  Options:
  A) Classical mechanics
  B) Quantum mechanics
  C) Special relativity
  D) Nuclear physics
  Show Answer
  The correct answer is A .
• Question 1095:

  

  Two mirrors of the same length are arranged as shown above, a ray of light NO strikes the system at O and emerges along PQ. The emergent ray has been deviated through

  Options:
  A) 220 degrees
  B) 200 degrees
  C) 210 degrees
  D) 180 degrees
  E) 230 degrees
  Show Answer
  The correct answer is D .
• Question 1096: A column of air 10.0cm long is trapped in a tube at 27^oC. What is the length of the volume at 100^oC? Options:
  A) 12.4cm
  B) 13.7cm
  C) 18.5cm
  D) 37.0cm
  Show Answer
  The correct answer is A .
• Question 1097:

  

  In the circuit above, three resistors, 2Ω, 4Ω and 12Ω are connected in parallel and a 12V battery is connected across the combination. The current flowing through the 12Ω resistors is

  Options:
  A) 14.4 A
  B) 1.0 A
  C) 3.2 A
  D) 9.6 A
  Show Answer
  The correct answer is B .
• Question 1098:

  If the fraction of the atoms of a radioactive material left after 120 years is 1/64, what is the half-life of the material?

  Options:
  A) 24 years
  B) 20 years
  C) 10 years
  D) 2 years
  Show Answer
  The correct answer is B .
• Question 1099: Which of the following properties of matter CANNOT be utilized for temperature measurement? The Options:
  A) length of a liquid column
  B) volume of a gas at constant pressure
  C) pressure of a gas at constant volume
  D) resistance of a metallic wire
  E) current produced in a photoelectric effect
  Show Answer
  The correct answer is E .
• Question 1100: An engine of a car of power 80 kW moves on a rough road with a velocity of 32 ms^-1. The forces required to bring it to rest is Options:
  A) 2.56 x 10⁶N
  B) 2.50 x 10⁶N
  C) 2.80 x 10³N
  D) 2.50 x 10³N
  Show Answer
  The correct answer is D .