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 1301:

  Arrange the following in the order of their increasing frequency.I. Visible light

  II. Gamma rays

  III. Radio waves

  IV. Infra-red radiation

  V. Ultra-violet radiation

  Options:
  A) I, II, III, IV, V
  B) II, III, IV, V, I
  C) III, IV, V, I, II
  D) IV, III, I. V, II
  E) III, IV, I,V, II
  Show Answer
  The correct answer is E .
• Question 1302:

  Caesium has a work function of 3 x 10^-19J. the maximum energy of liberated electrons when it is illuminated by light of frequency 6.7 x 10¹⁴HZ is?

  [h = 6.6 x 1010^-34Js]

  Options:
  A) 1.42 x 10^-19J
  B) 3.00 x 10^-19J
  C) 4.42 x 1010^-19J
  D) 7.42 x 10^-19J
  Show Answer
  The correct answer is A .
• Question 1303: The volume of a given mass of gas is 40cm³ at 27° C. What is its volume at 90° C if its pressure remains constant? Options:
  A) 32.84cm³
  B) 40.02cm³
  C) 48.40cm³
  D) 57.44cm³
  E) 72.84cm³
  Show Answer
  The correct answer is C .
• Question 1304: The product PV where P is pressure and V is volume has the same unit as Options:
  A) force
  B) power
  C) energy
  D) accelaration
  Show Answer
  The correct answer is C .
• Question 1305: Which of the following representations is correct for an atom X with 28 electrons and 30 neutrons? Options:
  A) ${}_{28}^{58}X$
  B) ${}_{28}^{30}X$
  C) ${}_{30}^{28}X$
  D) ${}_{30}^{58}X$
  Show Answer
  The correct answer is A .
• Question 1306: Electric charges on the surface of a conductor would be most evenly distributed if the shape of the conductor is Options:
  A) conical
  B) cubical
  C) cylindrical
  D) parabolic
  E) spherical
  Show Answer
  The correct answer is C .
• Question 1307: When a box of mass 45kg, is given an initial speed of 5ms^-1 it slides along a horizontal floor a distance of 3m before coming to a rest. what is the coefficient of kinetic friction between the box and the floor? (G = 10ms^-2) Options:
  A) $\frac{5}{6}$
  B) $\frac{5}{12}$
  C) $\frac{1}{3}$
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 1308: In homes, electrical appliances and lamps are connected in parallel because Options:
  A) Parallel connections do not heat up the wires
  B) series connections use high voltage
  C) less current will be used
  D) less voltage will be used
  Show Answer
  The correct answer is C .
• Question 1309: The magnitude of the resultant of two mutually perpendicular forces, F₁ and F₂ is 13N, if the magnitude of F₁ is 5N, what is the magnitude of F₂? Options:
  A) 2.6N
  B) 6.0N
  C) 12.0N
  D) 18.0N
  Show Answer
  The correct answer is C .
• Question 1310:

  In semi-conductor, the carriers of current at room temperature are

  Options:
  A) electrons only
  B) electrons and holes
  C) holes only
  D) electron and ions
  Show Answer
  The correct answer is B .