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 1081: Which of the following are the correct SI units of the quantities indicated? i.N(Force) II. Mn^-1 (Torque) iii. watt(Power) iv. kgms^-2 Options:
  A) i and ii only
  B) i, ii and iii only
  C) i, ii, and iv only
  D) i and iii only
  Show Answer
  The correct answer is D .
• Question 1082:

  The differences observed in solids, liquids and gases may be accounted for by

  Options:
  A) their relative masses
  B) their melting points
  C) the spacing and forces acting between the molecules
  D) the different molecules in each of them
  Show Answer
  The correct answer is C .
• Question 1083: 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 .
• Question 1084:

  Which of the following conclusion(s) can be drawn from Newton’s second law of motion? Force is proportional toI. the product of mass and acceleration

  II. the product of mass and velocity

  III. Impulse

  Options:
  A) I only
  B) II only
  C) III only
  D) II and III only
  E) I, II and III
  Show Answer
  The correct answer is E .
• Question 1085:

  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 1086: When a red rose flower is observed in blue light, what colour does the observer see? Options:
  A) Red
  B) Blue
  C) Magenta
  D) yellow
  E) No correct option
  Show Answer
  The correct answer is E .
• Question 1087: Which of the following can be described as high tension transmission? Options:
  A) high resistance and low voltage
  B) low current and high voltage
  C) high current and low voltage
  D) high voltage and zero current
  E) high current and low resistance
  Show Answer
  The correct answer is B .
• Question 1088:
  

  In an experiment in which molten naphthaleneis allowed to cool, the cooling curve i n the figure was obtained. The temperature 80${}^o$C is known as the

  Options:
  A) cooling temperature
  B) boiling point
  C) melting point
  D) vaporization point
  Show Answer
  The correct answer is C .
• Question 1089: A bead traveling on a straight wire is brought to rest at 0.2m by friction. If the mass of the bead is 0.01kg and the coefficient of friction between the bead and the wire is 0.1 determine the work done by the friction Options:
  A) $2\times {10}^{-4}J$
  B) $2\times {10}^{-3}J$
  C) $2\times {10}^{1}J$
  D) $2\times {10}^{2}J$
  Show Answer
  The correct answer is B .
• Question 1090:

  When the temperature of a liquid increases,its surface tension

  Options:
  A) decreases
  B) increases
  C) remains constant
  D) increases then decreases
  Show Answer
  The correct answer is A .