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 401:

  

  A body of mass 10kg on a smooth inclined plane is connected to a smooth pulley to a mass of 15kg as shown above, the acceleration of the system is

  Options:
  A) 1/4g
  B) 8/25g
  C) 1/2g
  D) 2/5g
  E) 3/4g
  Show Answer
  The correct answer is D .
• Question 402: The speed of sound travelling in various media increases in the order: Options:
  A) air, iron bar, water
  B) air, water, iron bar
  C) iron, bar water, air
  D) water, air, iron bar
  E) water, iron bar, air
  Show Answer
  The correct answer is B .
• Question 403:

  Which of the following statements are TRUE of isotopes?

  I. Isotopes of an element have the same chemical properties because they have the same number of electrons

  II. Isotopes of elements are normally separated using physical properties

  III. Isotopes of an element have the same number of protons in their nuclei

  Options:
  A) I and II only
  B) I and III only
  C) II and III only
  D) I, II and III
  Show Answer
  The correct answer is B .
• Question 404: The hydrostatic blood pressure difference between the head and the feet of a boy standing straight is 1.65 x 10⁴ Nm^-2. Find the height of the boy. Options:
  A) 0.5 m
  B) 0.6 m
  C) 1.5 m
  D) 2.0 m
  Show Answer
  The correct answer is C .
• Question 405: Dispersion occurs when white light passes through a glass prism because of the Options:
  A) different hidden colours in the glass
  B) different speeds of the colour in the glass
  C) defects in the glass
  D) high density of the glass
  Show Answer
  The correct answer is B .
• Question 406:

  

  The resultant capacitance in the figure above is

  Options:
  A) 15.0µF
  B) 9.8µF
  C) 1.3µF
  D) 0.8µF
  Show Answer
  The correct answer is D .
• Question 407:

  The velocities of light in air and glass are 3.0 x 10${}^8$ms${}^{-1}$ and 2.0 x 10${}^8$ms${}^{-1}$ respectively. If the angle of refraction is 30º, the sine of the angle of incidence is?

  Options:
  A) 0.33
  B) 0.50
  C) 0.67
  D) 0.75
  Show Answer
  The correct answer is D .
• Question 408: 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 409: Which of the following pairs of musical instruments produce sound due to the vibration of air column? Options:
  A) Bell and piano
  B) Guitar and flute
  C) Trumpet and drum
  D) Trumpet and flute
  E) Violin and organ
  Show Answer
  The correct answer is D .
• Question 410: 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 .