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 811: An equipment whose power is 1500W and resistance is 375 ohms would draw a current of Options:
  A) 0.10A
  B) 2.00A
  C) 4.00A
  D) 77.5A
  Show Answer
  The correct answer is B .
• Question 812: Which of the following expressions gives the linear magnification produced by a concave mirror of radius of curvature r, if U and V are the object and image distances respectively? Options:
  A) $\frac{V}{r}$ - 1
  B) $\frac{2V}{r}$ - 1
  C) $\frac{U}{r}$ - 1
  D) $\frac{2U}{r}$ - 1
  Show Answer
  The correct answer is D .
• Question 813: When taking a penalty kick, a footballer applies a force of 30.0N for a period of 0.05s. if the mass of the ball is 0.075kg, calculate the speed with which the ball moves off. Options:
  A) 4.50ms^-1
  B) 11.25ms^-1
  C) 20.00ms^-1
  D) 45.00ms^-1
  Show Answer
  The correct answer is C .
• Question 814:

  

  The diagram above shows a maximum and minimum thermometer divided into three portions P, Q and R. Which of the following is true about the respective content of P,Q and R

  Options:
  A) Alcohol, mercury and alcohol
  B) Air, alcohol and mercury
  C) Mercury, alcohol and mercury
  D) Air, mercury and alcohol
  Show Answer
  The correct answer is A .
• Question 815: The equation of transverse wave traveling along a string is given by Y = 0.3 sin(0.5x - 50t) where Y and X are in cm and t is in seconds.Find the maximum displacement of the particles from the equilibrium position Options:
  A) 50.0cm
  B) 2.5 cm
  C) 0.5cm
  D) 0.3cm
  Show Answer
  The correct answer is D .
• Question 816: A current carrying conductor experiences a force when placed in a magnetic field because the Options:
  A) conductor is magnetized
  B) magnetic field of the current interacts with external magnetic field
  C) force is due to the motor principle
  D) electric field of the current interacts with the external magnetic field
  Show Answer
  The correct answer is B .
• Question 817: Two bodies have masses in the ratio 3:1. They experience forces which impart to them acceleration in the ratio 2:9 respectively. Find the ratio of forces the masses experienced. Options:
  A) 1 : 4
  B) 2 : 1
  C) 2 : 3
  D) 2 : 5
  Show Answer
  The correct answer is C .
• Question 818: Which of the following are true of atom? Options:
  A) atoms are indestructible
  B) all atoms of a pure substance, or elements are identical
  C) atoms of different substance have different weights
  D) all of the above
  E) A and B only
  Show Answer
  The correct answer is C .
• Question 819: The strength of an electromagnet increase with Options:
  A) Increase in the number of turn of the coil
  B) Decrease in current with the coil
  C) Increase in the distance between the pole
  D) Increase in current without the coil
  Show Answer
  The correct answer is A .
• Question 820: Which of the following is an essential physical property of the wires used for making fuses? Options:
  A) low density
  B) high thermal conductivity
  C) low electrical resistivity
  D) low melting point
  Show Answer
  The correct answer is D .