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 991: If the focal length of a camera lens is 20cm, the distance from the film at which the lens must be set to produce a sharp image of an object 100cm away is Options:
  A) 17cm
  B) 20cm
  C) 25cm
  D) 100cm
  Show Answer
  The correct answer is C .
• Question 992:

  

  The image above shows an inverted U-tube with the open end, O of one limb below the level, W of water in the tank, in order that water should begin to flow from the tank it is is necessary that

  Options:
  A) The U-tube is completely filled with water and that P should be higher that W
  B) P should be lower than O and W
  C) P should be lower than W and O should reach the botton of the table
  D) The U-tube is completely filled with water and that P should be lower that W
  Show Answer
  The correct answer is B .
• Question 993: Which of the following types of waves cannot travel through a vacuum? Options:
  A) sound waves
  B) light waves
  C) infra-red waves
  D) x-radiation
  E) redio waves
  Show Answer
  The correct answer is A .
• Question 994: A student is at a height 4m above the ground during a thunderstorm. Give that the potential difference between the thundercloud and the ground is 10⁷v, the electric field created by the storm is Options:
  A) 2.0 * 10⁶ NC ^-1
  B) 2. 5 * 10⁶ NC ^-1
  C) 1.0 * 10⁷ NC ^-1
  D) 4.0 * 10⁷ NC ^-1
  Show Answer
  The correct answer is B .
• Question 995: Which of the following statements is CORRECT about the earth's magnetic field? Options:
  A) the angle of dip is the angle which a freely suspended magnet makes with the vertical
  B) the angle of declination is the angle between the magnetic meridian and the geographic meridian
  C) the angle of declination is the angle which a magnetic compass makes with the magnetic meridian
  D) the angle of inclination is the difference between the angle of dip and the angle of declination
  Show Answer
  The correct answer is B .
• Question 996:

  

  A body of mass 40kg is being dragged along the floor by a rope inclined at 60 degrees to the horizontal. The frictional force between the box and the floor is 100N and the tension on the rope is 300N. How much work is done by dragging the box for a distance of 4m

  Options:
  A) 680J
  B) 400J
  C) 200J
  D) 100J
  Show Answer
  The correct answer is C .
• Question 997: The tendon in a man's leg is 0.01m long. If a force of 5N stretches the tendon by 2.0 x 10^-5m, calculate the strain on the muscle. Options:
  A) 5 x 10⁶
  B) 5 x 10²
  C) 2 x 10^-3
  D) 2 x 10^-7
  Show Answer
  The correct answer is C .
• Question 998: Two forces of magnitudes 7N and 3N act at right angles to each other. The angle $\theta$ between the resultant and the 7N force is given by Options:
  A) cos$\theta$ = $\frac{3}{7}$
  B) sin$\theta$ = $\frac{3}{7}$
  C) tan$\theta$ = $\frac{3}{7}$
  D) cot$\theta$ = $\frac{3}{7}$
  Show Answer
  The correct answer is C .
• Question 999: Which of the following is a vector? Options:
  A) Electric charge
  B) Electric field
  C) Electrical potential difference
  D) Electrical capacitance
  Show Answer
  The correct answer is B .
• Question 1000:

  

  A body on the ground is acted on by a force of 10N at a point P as shown in the fig above. What force is needed to stop the body from moving eastwards

  Options:
  A) 5N in the direction of east
  B) 5N in the diretion of west
  C) 5V3N in the direction of west
  D) 10N in the southwest direction
  Show Answer
  The correct answer is B .