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 1951: The wavelength of ultraviolet radiation is 400nm. If the speed of light in air is 3 x 10⁸ms^-1, then the frequency of the ultraviolet radiation is Options:
  A) 1.3 x 10¹⁵Hz
  B) 7.5 x 10⁵Hz
  C) 1.2 x 10¹¹Hz
  D) 7.5 x 10¹⁴Hz
  Show Answer
  The correct answer is B .
• Question 1952: In the electrical method of making a magnet, the polar the magnet formed depends on the Options:
  A) amount of current passed
  B) direction of the current
  C) nature of the material used
  D) orientation of the magnetic material in space
  E) size of the magnetic material
  Show Answer
  The correct answer is B .
• Question 1953: An object placed 15cm from a converging lens forms a real image whose magnification is 2.0. What is the focal length of the lens? Options:
  A) 5.00cm
  B) 10.00cm
  C) 15.00 cm
  D) 18.00 cm
  E) 20.00cm
  Show Answer
  The correct answer is B .
• Question 1954:

  A single force which produces the same effect as a set of forces acting together at a point is known as the

  Options:
  A) component
  B) equilibrant
  C) resultant
  D) resistant
  Show Answer
  The correct answer is C .
• Question 1955: Which of these expresses the relationship between the earth’s magnetic field FE, and the field’ FB due to a magnet at neutral points? FE is Options:
  A) equal and opposite to F^B
  B) equal to and in the same direction with F^B
  C) greater than and in the same direction with F_B
  D) greater than and opposite to F_B
  E) less than and opposite to F_B
  Show Answer
  The correct answer is A .
• Question 1956:

  The resultant of two forces 12N and 5N is 13N. What is the angle between the two forces?

  Options:
  A) 0^o
  B) 45^o
  C) 90^o
  D) 180^o
  Show Answer
  The correct answer is C .
• Question 1957:

  

  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 1958: A thin converging lens has a power of 4.0 diopters determined its focal length. Options:
  A) 2.50m
  B) 0.03m
  C) 5.00m
  D) 0.25m
  Show Answer
  The correct answer is D .
• Question 1959: 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 1960: Calculate the heat energy lost when 10g of boiling water changes to ice at 0°C. [Specific latent heat of ice 336Jg^-1 . Specific heat capacity of water 4.2Jg^-1 K^-1] Options:
  A) 840J
  B) 3360J
  C) 3420J
  D) 4200J
  E) 7560J
  Show Answer
  The correct answer is E .