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 1101:

  When the downward current flows in a straight vertical conductor, the direction of its magnetic field at a point due north of the wire is

  Options:
  A) Upward
  B) North
  C) South
  D) West
  Show Answer
  The correct answer is D .
• Question 1102:

  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 1103: From the kinetic theory of gases, temperature is a Options:
  A) form of energy and is proportional to the total kinetic energy of the molecules
  B) form of energy and is proportional to the average kinetic energy of the molecules
  C) physical property and is proportional to the total kinetic energy of the molecules
  D) physical property and is proportional to the average kinetic energy of the molecules
  Show Answer
  The correct answer is D .
• Question 1104: A gas with initial volume of 2 X 10^-6m³ is allowed to expand to six times its initial value at constant pressure of 2 x 10⁵Nm^-2. The work done is Options:
  A) 2.0J
  B) 4. 0 J
  C) 12.0 J
  D) 2.4 J
  Show Answer
  The correct answer is D .
• Question 1105: The r.m.s value of a supply voltage is quoted at 200v. What is the approximate peak value of the voltage? Options:
  A) 200volts
  B) 300volts
  C) 283volts
  D) 250volts
  Show Answer
  The correct answer is C .
• Question 1106: Which of the following does NOT cause a reduction of the surface tension of water? Options:
  A) soap solution
  B) detergent
  C) alcohol
  D) camphor
  E) grease
  Show Answer
  The correct answer is E .
• Question 1107: The theory of electronic conduction in solids, which satisfactorily explains the properties of conductors, insulators and semi-conductor,is? Options:
  A) string theory
  B) particle theory
  C) group theory
  D) band theory
  Show Answer
  The correct answer is D .
• Question 1108: A man exerts a pressure of 2.8 x 10³Nm^-2 on the ground and has 4 x 10^-2m² of his feet in contact with the ground. The weight of the man is Options:
  A) 102N
  B) 70N
  C) 140N
  D) 112N
  Show Answer
  The correct answer is D .
• Question 1109:

  The inner diameter of a test tube can be measured accurately using a?

  Options:
  A) micrometer screw gauge
  B) pair of dividers
  C) meter rule
  D) pair of vernier calipers
  Show Answer
  The correct answer is D .
• Question 1110: A mass of gas at 7^oC and 70cm of mercury has a volume of 1200cm³. Determine its volume at 27^oC and pressure of 75cm of mercury. Options:
  A) 1200cm³
  B) 1378cm³
  C) 4320cm³
  D) 4629cm³
  Show Answer
  The correct answer is A .