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 2341:

  

  In the diagram above, which of the angles ${\theta }_1$ , ${\theta }_2$ , ${\theta }_3$ and ${\theta }_4$ is the angle of deviation of the ray of light passing through the glass prism XYZ?

  Options:
  A) ${\theta }_3$
  B) ${\theta }_2$
  C) ${\theta }_1$
  D) ${\theta }_4$
  Show Answer
  The correct answer is C .
• Question 2342: A lorry travels 10km northwards, 4km eastwards, 6km southwards, 4km westwards to arrive at a point T. What is the total displacement? Options:
  A) 6km south
  B) 4km north
  C) 6km north
  D) 4km east
  Show Answer
  The correct answer is B .
• Question 2343: A 12V battery has an internal resistance of 0.5W.If a cable of 1.0W resistance is connected across the two terminals of the battery, the current drawn from the battery is Options:
  A) 16.0A
  B) 8.0A
  C) 0.8A
  D) 0.4A
  Show Answer
  The correct answer is B .
• Question 2344: A spectrum of sunlight is said to be impure when Options:
  A) it is made of only three colours
  B) it has no red colour in it
  C) the different colours in it overlap
  D) it does not contain white light
  Show Answer
  The correct answer is C .
• Question 2345:

  A mixture of blue and red pigment when illuminated by white light will appear

  Options:
  A) green
  B) orange
  C) purple
  D) magenta
  Show Answer
  The correct answer is C .
• Question 2346: The force responsible for holding the moon in its orbit around the earth against the gravitational pull of the earth is Options:
  A) centrifugal
  B) rotational
  C) reaction
  D) centripetal
  E) tractional
  Show Answer
  The correct answer is D .
• Question 2347: A platinum resistance thermometer wire has a resistance of 70hms at 0°Cand 7.5 Ohms at 100°C. Calculate the temperature of the wire when the resistance is 7.2 Ohms Options:
  A) 15°C
  B) 40°C
  C) 20°C
  D) 10°C
  Show Answer
  The correct answer is B .
• Question 2348:

  I. A liquid boils when its saturated vapour pressure is equal to the external pressure

  II. Dissolved substances in pure water lead to increase in the boiling point.

  III. When the external pressure is increased, the boiling point increases.

  IV. Dissolved substances in pure water decrease the boiling point.Which combination of the above are peculiarities of the boiling point of a liquid?

  Options:
  A) I, II and III
  B) I, II, III and IV
  C) I, II and IV
  D) II, III and IV
  Show Answer
  The correct answer is A .
• Question 2349:

  Which of the following statement about the electromagnet shown above is correct?

  Options:
  A) when the current flows from A to B, the end A will be in north pole
  B) when the current flows from A to B, the end A will be south pole
  C) when the current flows from A to B, the end B will be north pole
  D) none of the above
  Show Answer
  The correct answer is B .
• Question 2350: Under which of the following conditions is work done? Options:
  A) A man supports a heavy food above his head with his hands
  B) A boy climbs onto a table
  C) A man pushes unto a table
  D) A woman holds a pot of water
  Show Answer
  The correct answer is C .