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 1031:

  The secondary pigments consist of?

  Options:
  A) blue, green, and violet
  B) yellow, green, and magenta
  C) magenta, yellow, and cyan
  D) red, green, and blue
  Show Answer
  The correct answer is C .
• Question 1032: What happens to the rays in a parallel beam of light? Options:
  A) They diverge as they travel
  B) they intersect
  C) They converge as they travel
  D) They meet at infinity.
  Show Answer
  The correct answer is D .
• Question 1033: The sharpness of the boundary of the shadow of an object is determined by the Options:
  A) intensity of light striking the object
  B) rays of light passing through the object
  C) nature of the object
  D) opacity of the object
  Show Answer
  The correct answer is B .
• Question 1034: A gas with initial volume of 2 X 10^-6m³ is allowed to expand to six times its initial value at constant pressure of 2 x 10⁵Nm^-2. The work done is Options:
  A) 2.0J
  B) 4. 0 J
  C) 12.0 J
  D) 2.4 J
  Show Answer
  The correct answer is D .
• Question 1035:

  

  The resultant capacitance in the figure above is

  Options:
  A) 15.0µF
  B) 9.8µF
  C) 1.3µF
  D) 0.8µF
  Show Answer
  The correct answer is D .
• Question 1036: Calculate the length which corresponds to a temperature of 20^oC if the ice and steam points of an unguarded thermometer are 400 mm apart Options:
  A) 20mm
  B) 30mm
  C) 60mm
  D) 80mm
  Show Answer
  The correct answer is D .
• Question 1037:

  I. change of state

  II. Diffusion

  III. Radiation

  IV. Osmosis

  Which of the processes above can be explained using the kinetic theory?

  Options:
  A) I, II,III and IV
  B) I, II and III
  C) I, III and IV
  D) I, II and IV
  Show Answer
  The correct answer is D .
• Question 1038: A heating coil rated at 100W is used to boil off 0.5kg of boiling water. The time taken to boil off the water is [specific latent heat of vaporization of water = 2.3 x 10⁶Jkg^-1] Options:
  A) 1.15 x 10⁹ s
  B) 1.15 x 10⁷ s
  C) 1.15 x 10⁵ s
  D) 1.15 x 10⁴ s
  Show Answer
  The correct answer is D .
• Question 1039: The force experienced by an object of mass 60.0kg in the moon's gravitational field is 1.002 x 10²N. What is the intensity of the gravitational field? Options:
  A) 0.60Nkg^-1
  B) 1.67Nkg^-1
  C) 6.12 x 10²Nkg^-1
  D) 9.81ms^-2
  Show Answer
  The correct answer is B .
• Question 1040: In a resonance tube experiment, if the fundamental frequency of the vibrating air column is 280Hz, the frequency of the third overtone is Options:
  A) 70Hz
  B) 840Hz
  C) 1120Hz
  D) 1960Hz
  Show Answer
  The correct answer is D .