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 1041: Which of the following types of motion is/are exhibited by a cylindrical drum rolling down an incline plane? Options:
  A) Random and rotational
  B) Rotational and oscillatory
  C) Rotational only
  D) Translations only
  E) Translational and rotational
  Show Answer
  The correct answer is E .
• Question 1042:

  

  The figure above shows a conductor PQ carrying a current I in the direction shown. At a particular position near the conductor is a compass needle K. Neglecting the earth's magnetic field, the compass needle will

  Options:
  A) settle in any direction
  B) settle in a fixed direction only if the conductor PQ is a magnetic material
  C) settle in a fixed direction WHETHER the conductor PQ is a magnetic material OR NOT
  D) be stationary
  Show Answer
  The correct answer is C .
• Question 1043: An electric iron is rated 1000W, 230V. What is the resistance of its elements? Options:
  A) 51.9Ω
  B) 52.9Ω
  C) 55.9Ω
  D) 57.6Ω
  Show Answer
  The correct answer is B .
• Question 1044:

  The pitch of an acoustic device can be increased by

  Options:
  A) decreasing the loudness
  B) increasing the intensity
  C) increasing the frequency
  D) decreasing the intensity
  Show Answer
  The correct answer is C .
• Question 1045: Which of the following physical quantities is NOT a vector? Options:
  A) velocity
  B) work
  C) force
  D) electric field intensity
  E) magnetic induction
  Show Answer
  The correct answer is B .
• Question 1046: By what factor will the size of an object placed 10cm from a convex lens be increased if the image is seen on a screen placed 25cm from the lens? Options:
  A) 15.0
  B) 2.5
  C) 1.5
  D) 0.4
  Show Answer
  The correct answer is B .
• Question 1047: When left in a freezer, a bottle full of water cracks on freezing into ice because of the Options:
  A) increase in the volume of water
  B) contraction of the bottle
  C) expansion of the bottle
  D) decrease in the volume of water
  Show Answer
  The correct answer is A .
• Question 1048:

  

  The length of piece of glass block was measured by means of a vernier calliper as shown above. The length of the glass block is

  Options:
  A) 1.63 cm
  B) 1.64 cm
  C) 1.65 cm
  D) 1. 66 cm
  Show Answer
  The correct answer is B .
• Question 1049:

  The mercury column in the barometer at notational atmospheric pressure has a height of?

  Options:
  A) 0.76 cm at see level
  B) 760 cm at sea level
  C) 7.6 cm at sea level
  D) 76 cm at sea level
  Show Answer
  The correct answer is D .
• Question 1050:

  I. A liquid boils when its saturated vapor pressure is equal to the external pressure
  II. Dissolved substances in pure water lead to an increase in the boiling point.
  III. When the external pressure is increased, the boiling point increases.
  IV. Dissolved substances in pure water decreases the boiling point

  Which of the above combinations are peculiarities of the boiling point of a liquid?

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