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 1011: Which of the following statements is true about liquid pressure is NOT correct? The pressure Options:
  A) at a point in a liquid is proportional to the depth
  B) at any point in a liquid is the same at the same level
  C) is exerted equally in all directions at any point
  D) of a liquid at any point on the wall of its container acts in a direction perpendicular to the wall
  E) at a particular depth depends on the shape of the vessel
  Show Answer
  The correct answer is E .
• Question 1012: A potential difference of 6v is used to produce a current of 5A for 200s through a heating coil. The heat produced is Options:
  A) 4800 cal
  B) 6000 cal
  C) 2400J
  D) 240k cal
  E) 6000J
  Show Answer
  The correct answer is E .
• Question 1013:

  

  In the diagram above, the neutral point is at

  Options:
  A) R
  B) X
  C) S
  D) P
  Show Answer
  The correct answer is B .
• Question 1014: Calculate the escape velocity of a satellite launched from the earth's surface if the radius of the earth is 6.4x10⁶m Options:
  A) 25.3kms^-1
  B) 4.2kms^-1
  C) 4.0kms^-1
  D) 11.3kms^-1
  Show Answer
  The correct answer is D .
• Question 1015:

  The angular dispersion of a prism depends on

  Options:
  A) The index of refraction only
  B) The angle of incidence as well as the index of refraction
  C) The angle of incidence only
  D) The thickness of the prism only
  Show Answer
  The correct answer is A .
• Question 1016: Which of the following best describes the energy changes which take place when a steam engine drives a generator which lights a lamp? Options:
  A) heat $\to$ light $\to$ sound $\to$ kinetic
  B) kinetic $\to$ light $\to$ heat $\to$ electricity
  C) heat $\to$ kinetic$\to$ electricity $\to$ heat $\to$ light
  D) electricity $\to$ kinetic $\to$ heat v light
  E) heat $\to$ sound $\to$ kninetic v electricity
  Show Answer
  The correct answer is C .
• Question 1017: Which of the following is NOT a vector quantity? Options:
  A) altitude
  B) acceleration
  C) displacement
  D) weight
  Show Answer
  The correct answer is A .
• Question 1018:

  A substance has half of 3 min. After 6 min, the count rate was observed to be 400. What was its count rate at zero time?

  Options:
  A) 1600
  B) 1200
  C) 200
  D) 2400
  Show Answer
  The correct answer is A .
• Question 1019: A simple cell with mercury-amalgamated zinc electrode prevents Options:
  A) local actions
  B) polarization
  C) buckling
  D) degradation
  Show Answer
  The correct answer is A .
• Question 1020:

  I. Melting
  II. Boiling
  III. Refraction
  IV. Conduction

  Which combination of the above is evident of the molecular nature of matter?

  Options:
  A) II , III and IV only
  B) I ,II and IV only
  C) I , III and IV only
  D) I , II and III only
  Show Answer
  The correct answer is B .