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 1341: What is the acceleration due to gravity 'g' on the moon, if g is 10^-2 on the earth? Options:
  A) 0. 10 ms^-2
  B) 0.74ms^-2
  C) 1.6ms^-2
  D) 10.00ms^-2
  Show Answer
  The correct answer is C .
• Question 1342: The bond that forms a semiconductor is? Options:
  A) covalent
  B) electrovalent
  C) ionic
  D) metallic
  Show Answer
  The correct answer is A .
• Question 1343: Radio waves emitted from an antenna are picked up by a radar after reflection from an aircraft in 4 x 10^-3S. How far is the aircraft from the antenna? [c = 3 x 10⁸ms^-1 ] Options:
  A) 6.0 x 10²ms^-1
  B) 1.2 x 10³km
  C) 3.0 x 10³km
  D) 6.0 x 10 ⁵km
  Show Answer
  The correct answer is D .
• Question 1344: In a good thermos flask, the main cause of heat loss is? Options:
  A) conduction through the cork
  B) the plastic base of the thermos flask
  C) the silvered walls and shiny metals
  D) the outer cover or jacker
  Show Answer
  The correct answer is A .
• Question 1345: A boy moving with a velocity of 3 ms^-1 is brought to rest by a constant force after travelling 15m. Calculate the retardation. Options:
  A) 0.15ms^-2
  B) 0.30ms^-2
  C) 0.60ms^-2
  D) 3.33ms^-2
  E) 6.66ms^-2
  Show Answer
  The correct answer is B .
• Question 1346: Evaporation of a liquid produces cooling of the liquid because the Options:
  A) attraction between the vapour molecules and the liquid molecules is great
  B) average kinetic energy of the liquid is reduced
  C) density of the liquid decreases
  D) vapour pressure above the liquid rises
  E) volume of the liquid decreases
  Show Answer
  The correct answer is B .
• Question 1347:

  What is the acceleration between two points on a velocity time graph which has coordinates

  (10s, 15 ms^-1)

  And (20 s, 35 ms^-1)?

  Options:
  A) 1.7 ms^-2
  B) 3.50 ms^-2
  C) 1.00 ms^-2
  D) 2.00 ms^-2
  Show Answer
  The correct answer is D .
• Question 1348: Which of the following is a correct explanation of the inertia of a body? Options:
  A) ability to overcome the earth's gravity
  B) reluctance to stop moving
  C) readiness to start moving
  D) reluctance to start moving and its readiness to stop moving once it has begun to move
  E) reluctance to start moving its reluctance to stop moving once it has begun to move
  Show Answer
  The correct answer is E .
• Question 1349:

  

  In the figure above, the work done by the force of 100N inclined at an angle of 60^o to the object dragged horizontally to a distance of 8m is

  Options:
  A) 800J
  B) 600J
  C) 100J
  D) 400J
  Show Answer
  The correct answer is D .
• Question 1350: If a metal wire 4m long and cross-sectional area 0.8 mm² has a resistance of 60, find the resistivity of the wire Options:
  A) 5.3x10^-7
  B) 3.0x10^-5
  C) 1.2x10^-6
  D) 3.2x10^-6
  Show Answer
  The correct answer is C .