NECO Physics Exam Past Questions and Answers

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 181: Which of the following pairs of phenomena helps in the resolution of the wave-particle paradox of matter? Options:
  A) Compton effect and thermionic emission
  B) Electron diffraction and refraction
  C) emission and absorption of light
  D) Interference and polarization
  E) Reflection and photoelectric effect
  Show Answer
  The correct answer is C.
• Question 182: Which of the following phenomena is responsible for the spherical shape of soap bubbles? Options:
  A) Adhesion
  B) Capillarity
  C) Cohesion
  D) Osmosis
  E) Surface tension
  Show Answer
  The correct answer is C.
• Question 183: A plane progressive wave is represented by the equation y = 0.2sin (200πt - 0.5.x) where x and y are measured in cm and t in s. What is the frequency of the wave? Options:
  A) 0.5Hz
  B) 4.0Hz
  C) 10.0Hz
  D) 100.0Hz
  E) 200.0Hz
  Show Answer
  The correct answer is D.
• Question 184: A stone is thrown with a speed of 10ms at an angle of 30° to the horizontal, Calculate its time of flight, (g = 10ms²) Options:
  A) 0.5s
  B) 1.0s
  C) 1.7s
  D) 2.0s
  E) 3.4s
  Show Answer
  The correct answer is B.
• Question 185: A projectile attains its maximum height when the angle of projection is Options:
  A) 30°
  B) 45°
  C) 60°
  D) 75°
  E) 90°
  Show Answer
  The correct answer is B.
• Question 186: Which of the following statements about the pressure in a liquid is NOT correct? It Options:
  A) acts in all direction
  B) changes with the material of the container
  C) is the same at all points in the same horizontal plane
  D) varies with the density of the liquid
  E) varies with the depth of the liquid
  Show Answer
  The correct answer is B.
• Question 187: In which of the following fields is repulsion NOT experienced? Options:
  A) Electrical only
  B) Gravitational only
  C) Magnetic only
  D) Magnetic and electrical
  E) Magnetic and gravitational
  Show Answer
  The correct answer is B.
• Question 188: A ball of mass 100g falls from a height of 5m onto a concrete floor and rebounds to a height of 3m. Calculate the energy lost. (g = 10ms^-2) Options:
  A) 2J
  B) 20J
  C) 100J
  D) 1000J
  E) 2000J
  Show Answer
  The correct answer is A.
• Question 189: Two forces of magnitude 8N and 4N act at right angle to each other. The angle between the resultant and the 8N force is Options:
  A) 23.9°
  B) 26.6°
  C) 29.5°
  D) 60.0°
  E) 63.4°
  Show Answer
  The correct answer is B.
• Question 190: The defect of the eye lens which occurs as a result of weak ciliary muscles is called Options:
  A) astigmatism
  B) hypermetropia
  C) myopia
  D) presbyopia
  E) spherical aberration
  Show Answer
  The correct answer is D.