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 1201:
  

  A block of mass 0.5 kg is suspended at the 40 cm mark of a light metre rule AB that is pivoted at point E, the 90 cm mark, and is kept at equilibrium by a string attached at point D, the 60 cm mark, as shown in the figure above. Find the tension T in the string.

  [Take g = $10ms-2$ ]

  Options:
  A) 16.67N
  B) 15.67N
  C) 14.67N
  D) 18.67N
  Show Answer
  The correct answer is A .
• Question 1202: Which of the following is not a mechanical wave? Options:
  A) wave in closed pipe
  B) radio waves
  C) water waves
  D) sound waves
  Show Answer
  The correct answer is B .
• Question 1203:

  ${}_{92}^{235}U{+}_0^{1}n{\to }_{56}^{144}Ba{+}_{36}^{90}Kr+2X$

  In the reaction above, X is

  Options:
  A) electron
  B) proton
  C) neutrino
  D) neutron
  Show Answer
  The correct answer is D .
• Question 1204: One of the features of the fission process is that Options:
  A) its products are not radioactive
  B) it leads to chain reaction
  C) neutrons are not released
  D) the sum of the masses of the reactants equals the sum of masses of the products
  Show Answer
  The correct answer is B .
• Question 1205: A shooter wants to fire a bullet in such a way that its horizontal range is equal to three times its maximum height. At the what angle should he fire the bullet to achieve this? Options:
  A) 68^o
  B) 53^o
  C) 30^o
  D) 45^o
  Show Answer
  The correct answer is B .
• Question 1206: Body floats in fluid when its ………………… Options:
  A) Displaces its own volume of the liquid (fluid)
  B) Displaces its own mass of the fluid
  C) Displace its own density of the fluid
  D) Is no longer subjected to gravity
  Show Answer
  The correct answer is B .
• Question 1207:

  I. The frictional force is independent of the area of the surfaces in conduct

  II. The frictional force depends on the nature of the surfaces in contact

  III. The frictional force depends on the speed of sliding

  IV. The frictional force is directly proportional to the normal reaction.Which combination of the above is true of sliding friction?

  Options:
  A) I, III and IV
  B) I, II and IV
  C) I, II and III
  D) II, III and IV
  Show Answer
  The correct answer is B .
• Question 1208: The magnetic force on a charged particle moving with velocity v is Options:
  A) proportional to both the magnitude of the charge and the velocity v
  B) independent of the magnitude of the charge
  C) proportional to the velocity v only
  D) proportional to the magnitude of the charge only
  Show Answer
  The correct answer is A .
• Question 1209: A positive charged rod X is brought near as uncharged metal sphere Y and is then touched by a finger with X still in place. When the finger is removed, the result is that y has Options:
  A) no charge and a zero potential
  B) a positive charge and zero potential
  C) a negative charge and positive potential
  D) a negative charge and a negative potential
  Show Answer
  The correct answer is D .
• Question 1210:

  A microscope is focused on a mark on a table, when the mark is covered by a plate of glass 2m thick, the microscope has to be raised 0.67cm for the mark to be once more in focus. Calculate the refractive index.

  Options:
  A) 1.52
  B) 1.68
  C) 2.58
  D) 1.82
  Show Answer
  The correct answer is A .