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 1171: At a fixed point below a liquid surface, the pressure downwards is P₁ and pressure upwards is P₂. It can be deduced that Options:
  A) P₁ > P₂
  B) P₁ ≥ P₂
  C) P₁< P₂
  D) P₁ = P₂
  Show Answer
  The correct answer is A .
• Question 1172: Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then Options:
  A) A and B are equal
  B) A is greater than B
  C) the angle between A and B is 0°
  D) the angle between A and B is 90°
  E) the angle between A and B is 180°
  Show Answer
  The correct answer is E .
• Question 1173: Electric charges on the surface of a conductor would be most evenly distributed if the shape of the conductor is Options:
  A) conical
  B) cubical
  C) cylindrical
  D) parabolic
  E) spherical
  Show Answer
  The correct answer is C .
• Question 1174: An electric motor primary converts Options:
  A) electrical energy to chemical energy
  B) electrical energy to heat energy
  C) electrical energy to mechanical energy
  D) mechanical energy to electrical energy
  E) mechanical energy to light energy
  Show Answer
  The correct answer is C .
• Question 1175: Which of the following statements is correct about light and sound waves? Both Options:
  A) are longitudinal waves
  B) are transverse waves
  C) have the same velocity in air
  D) need a medium for propagation
  E) transmit energy
  Show Answer
  The correct answer is E .
• Question 1176: A simple pendulum with a period of 2.0s has its length doubled. Its new period is Options:
  A) 1.00s
  B) 1.41s
  C) 0.3s
  D) 2.83s
  E) 4.00s
  Show Answer
  The correct answer is D .
• Question 1177: Which of the following is a percussion instrument? Options:
  A) bell
  B) flute
  C) guitar
  D) piano
  E) organ
  Show Answer
  The correct answer is A .
• Question 1178: If a given mass at constant pressure obeys the relation...volume is proportional to the absolute temperature...the gas is said to obey Options:
  A) Hooke's Law
  B) Boyle's Law
  C) Dalton's Law
  D) Charles' Law
  E) Newton's Law
  Show Answer
  The correct answer is D .
• Question 1179: Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then Options:
  A) A and B are equal
  B) A is greater than B
  C) the angle between A and B is 0°
  D) the angle between A and B is 90°
  E) the angle between A and B is 180°
  Show Answer
  The correct answer is E .
• Question 1180:

  

  In the circuit diagram above, calculate the current in the 12 Ω resistor if the cell has an emf of 12V and an internal resistance of 1Ω

  Options:
  A) 0.8A
  B) 1.0A
  C) 1.6A
  D) 2.4A
  Show Answer
  The correct answer is D .