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 1961:

  

  The diagram above shows a meter bridge in which two of thee arms contain resistances R and 2Ω. A balance point is obtained at 60cm from the left end , calculate the value of R

  Options:
  A) 1.2Ω
  B) 1.3Ω
  C) 3.0Ω
  D) 6.0Ω
  Show Answer
  The correct answer is C .
• Question 1962: The magnitude of the angle of dip at the equator is Options:
  A) 360^o
  B) 0^o
  C) 90^o
  D) 180^o
  Show Answer
  The correct answer is B .
• Question 1963: A charge of one coulomb liberates 0.0033g of copper in an electrolytic process. How long will it take a current of 2A to librate 1.98g of copper in such a process? Options:
  A) 5 mins
  B) 30 mins
  C) 50 mins
  D) 60 mins
  E) 120 mins
  Show Answer
  The correct answer is A .
• Question 1964:

  The lowest note emitted by a stretched string has a frequency of 40Hz. How many overtones are there between 40Hz and 180Hz?

  Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is B .
• Question 1965: An object is placed in front of two plane mirrors inclined at an angle of 0^o. If the total number of images formed is 7, Find the value of $\theta$ Options:
  A) 30^o
  B) 45^o
  C) 51^o
  D) 90^o
  Show Answer
  The correct answer is B .
• Question 1966: Calculate the work done in charging a capacitor of capacitance 20µF through a potential difference of 1000V. Options:
  A) 0.02 J
  B) 0.10 J
  C) 0.20 J
  D) 1.00 J
  E) 10.00 J
  Show Answer
  The correct answer is E .
• Question 1967: In a ray diagram for a thin converging lens, a ray that is not parallel to the optic axis but passes through the optic center will Options:
  A) pass through undeviated
  B) pass through the center of curvature after refraction
  C) emerge parallel to the principal axis
  D) pass through the principal focus after refraction
  Show Answer
  The correct answer is A .
• Question 1968: Any line or section through an advancing wave in which all the particles are in the same phase is called the Options:
  A) wave lenght
  B) wave crest
  C) wave trough
  D) wave amplitude
  E) wave front
  Show Answer
  The correct answer is E .
• Question 1969:

  I. Mass

  II. Density

  III. Temperature

  IV. Nature of substance

  Which of the above affect diffusion?

  Options:
  A) I and II only
  B) I,II and IV only
  C) II, III and IV only
  D) I, II, III and IV
  Show Answer
  The correct answer is B .
• Question 1970: Which of the following obeys Ohm's Law? Options:
  A) Glass
  B) Diode
  C) All electrolytes
  D) All metals
  Show Answer
  The correct answer is D .