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 481: If the force of a charge of 0.2 coulomb in an electric field is 4N, then the electric field intensity of the field is Options:
  A) 0.8
  B) 0.8N/C
  C) 20.0N/C
  D) 4.2N/C
  E) 20.0N/C
  Show Answer
  The correct answer is C .
• Question 482: A ray of light passing through the centre of curvature of a concave mirror is reflected by the mirror at Options:
  A) 0^o
  B) 45^o
  C) 90^o
  D) 180^o
  Show Answer
  The correct answer is A .
• Question 483: Which of the following is in a neutral equilibrium? Options:
  A) a heavy weight suspended on a string
  B) a cone resting on its slant edge
  C) a heavy-based table lamp
  D) the beam of a balance in use
  Show Answer
  The correct answer is B .
• Question 484:

  If the frequency of an emitted x-ray is 1.6 x 10${}^{16}$Hz, the accelerating potential is?

  [e = 1.6 x 10${}^{-19}$J, h = 6.63 x 10-${}^{34}$Js]

  Options:
  A) 6630.0V
  B) 663.0V
  C) 66.3V
  D) 6.6V
  Show Answer
  The correct answer is C .
• Question 485: A person can focus an object only when it lies within 200cm from him. Which spectacles should be used to increase his maximum distance of distinct vision infinity Options:
  A) Convex lens
  B) Binoculars
  C) Concave lens
  D) Plane glasses
  Show Answer
  The correct answer is C .
• Question 486:

  

  The correct position for a fuse in the diagram above is

  Options:
  A) between P and Q
  B) Q
  C) S
  D) P
  Show Answer
  The correct answer is D .
• Question 487: When an atom loses or gains a charge, it becomes an Options:
  A) ion
  B) an electron
  C) a neutron
  D) a proton
  E) a deuteron
  Show Answer
  The correct answer is A .
• Question 488:

  

  In which of the points labelled A, B, C, D and E on the conductor shown would electric charge tend to concentrate most

  Options:
  A) A
  B) B
  C) C
  D) E
  Show Answer
  The correct answer is D .
• Question 489: Which of the following pairs of colours gives the widest separation in the spectrum of white light? Options:
  A) Red and Violet
  B) Green and Yellow
  C) Red and Indigo
  D) Yellow and Violet
  Show Answer
  The correct answer is A .
• Question 490: The resultant force of a couple is ………? Options:
  A) Infinity
  B) Zero
  C) One
  D) Half
  Show Answer
  The correct answer is B .