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 1141: Body floats in fluid when its ………………… Options:
  A) Displaces its own volume of the liquid (fluid)
  B) Displaces its own mass of the fluid
  C) Displace its own density of the fluid
  D) Is no longer subjected to gravity
  Show Answer
  The correct answer is B .
• Question 1142: Which type of motion do the wheels of a moving car undergo? Options:
  A) Vibratory and translational motion
  B) Random and translational motion
  C) Rotational mand oscillatory motion
  D) Translational and rotational motion
  Show Answer
  The correct answer is D .
• Question 1143:

  

  In the diagram above, the direction of the force between N and S in the magnetic field is

  Options:
  A) MP
  B) SN
  C) NS
  D) PM
  Show Answer
  The correct answer is C .
• Question 1144: In an experiment to determine Young's Modulus for a wire, several loads are attached to the wire and the corresponding extension measured. The tensile stress in each case depends on the Options:
  A) load and the extension
  B) load and the radius of the wire
  C) radius of the wire and the extension
  D) extension and the original length of the wire
  Show Answer
  The correct answer is B .
• Question 1145: When an a.c. voltage is applied to a capacitor, no power is consumed because the current Options:
  A) leads the voltage by 90°
  B) lags behind the voltage by 90°
  C) and voltage are in phase
  D) and voltage are 180° out of phase
  Show Answer
  The correct answer is A .
• Question 1146: The relative densities of zinc, brass, copper, gold and silver are respectively 7.1, 8.5, 8.9, 19.3, 10.5. A metal ornament which weighs 0.425kg and can displace 50 x 10^-6m³m of water is made of Options:
  A) zinc
  B) brass
  C) copper
  D) gold
  E) silver
  Show Answer
  The correct answer is B .
• Question 1147: Which of the following statements is Not true about atoms? Options:
  A) Atom of different elements have different atomic weights
  B) The mass of an atom is concentrated in the nucleus
  C) An atom is made up of a nucleus and number of electrons
  D) Atoms of all elements are identical
  Show Answer
  The correct answer is D .
• Question 1148: The resultant of two forces acting on an object is maximum if the angle between them is Options:
  A) 45°
  B) 0°
  C) 90°
  D) 180°
  Show Answer
  The correct answer is B .
• Question 1149:

  

  If ray travelling in air is incident on a transparent medium as shown in the diagram, the refractive index of the medium is given as

  Options:
  A) cosα / sinβ
  B) sinα / sinβ
  C) cosβ / sinα
  D) sinβ / sinα
  Show Answer
  The correct answer is A .
• Question 1150: 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 .