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 2211: Which of the following is a scalar quantity? Options:
  A) Tension
  B) Weight
  C) Impulse
  D) Mass
  Show Answer
  The correct answer is D .
• Question 2212: A transistor function mainly as a Options:
  A) switch and amplifier
  B) rectifier and an amplifier
  C) charge storer and an amplifier
  D) charge storer and a switch
  Show Answer
  The correct answer is A .
• Question 2213: Shadows and eclipse result from the Options:
  A) Reflection of light
  B) Rectilinear propagation of light
  C) Diffraction of light
  D) Refraction of light
  Show Answer
  The correct answer is B .
• Question 2214: 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 2215:

  

  In an experiment in which molten naphthalene is allowed to cool, the cooling curve in fig 5 was obtained, the temperature ${80}^{\circ }C$ is known as

  Options:
  A) cooling temperature
  B) boiling point
  C) melting point
  D) vaporization point
  Show Answer
  The correct answer is C .
• Question 2216: A perfect emitter or absorber of radiant energy is a Options:
  A) conductor
  B) black body
  C) white body
  D) red body
  Show Answer
  The correct answer is B .
• Question 2217: The main purpose of the transformer in an a.c radio set is to? Options:
  A) increase power to the radio
  B) step up the voltage
  C) convert energy from a.c to d.c
  D) step down the voltage
  Show Answer
  The correct answer is D .
• Question 2218: Calculate the apparent weight loss of a man weighing 70kg in an elevator moving downwards with an acceleration of 1.5ms^-2. [g = 10ms^-2] Options:
  A) 686N
  B) 595N
  C) 581N
  D) 105N
  Show Answer
  The correct answer is D .
• Question 2219: The small droplets of water that form on the grass in the early hours of the morning is Options:
  A) Fog
  B) Haul
  C) Mist
  D) Dew
  Show Answer
  The correct answer is D .
• Question 2220: A car of mass 1500 kg goes round a circular curve of radius 50m at a speed of 40 ms^-1. The magnitude of the centripetal force on the car is ? Options:
  A) 4.8 x 10⁴ N
  B) 4.8 x 10³ N
  C) 1.2 x 10³ N
  D) 1.2 x 10² N
  Show Answer
  The correct answer is A .