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: In an experiment to determine terminal velocity, as the pressure increases, the viscosity off a liquid Options:
  A) increases
  B) decreases
  C) increases then decreases
  D) remains constant
  Show Answer
  The correct answer is D .
• Question 1082: an object 1cm high placed on the axis 15cm from a converging lens forms an image 30cm from the lens. The size of the image is Options:
  A) 0.5cm
  B) 1.5cm
  C) 3cm
  D) 2.5m
  E) 2cm
  Show Answer
  The correct answer is E .
• Question 1083: A current of 100mA passes through a conductor for 2 minutes. The quantity of electricity transported is Options:
  A) 200C
  B) 50C
  C) 12C
  D) 0.002C
  Show Answer
  The correct answer is C .
• Question 1084: Which device does NOT make use of the magnetic effects of an electric current? Options:
  A) hot-wire ammeter
  B) moving-coil ammeter
  C) moving-coil loudspeaker
  D) moving-iron ammeter
  E) telephone earpiece
  Show Answer
  The correct answer is A .
• Question 1085:

  

  The diagram above shows a velocity - time graph. The statement that is true about this motion is that the car

  Options:
  A) has no acceleration between point F and G
  B) decelerates between F and H
  C) has a constant soeed between points E and F
  D) Accelerates between points F and G
  Show Answer
  The correct answer is A .
• Question 1086:

  

  The fig above shows two connected bodies of masses M1 and M2 in equilibrium under gravity. The tension in the upper string is

  Options:
  A) (m1-m2)g
  B) m1g
  C) m2g
  D) (m1+m2)g
  Show Answer
  The correct answer is D .
• Question 1087: 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 1088: The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth’s surface. If the weight of an object at X is 4.80N. what is its weight on the earth? Options:
  A) 1.92N
  B) 2.88N
  C) 6.72N
  D) 8.00N
  E) 12.00N
  Show Answer
  The correct answer is E .
• Question 1089:

  A cell gives a current of 0.15A through a resistance of 8$\mathrm{\Omega }$ and 0.3A. When the resistance is changed to 3$\mathrm{\Omega }$ the internal resistance of the cell is

  Options:
  A) 0.05$\mathrm{\Omega }$
  B) 1.00$\mathrm{\Omega }$
  C) 1.50$\mathrm{\Omega }$
  D) 2.00$\mathrm{\Omega }$
  E) 2.50$\mathrm{\Omega }$
  Show Answer
  The correct answer is D .
• Question 1090: Which of the following statements is correct about light and sound waves? Both Options:
  A) are longitudinal waves
  B) are transverse waves
  C) have the same velocity in air
  D) need a medium for propagation
  E) transmit energy
  Show Answer
  The correct answer is E .