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 761: Which of the following affects the period of a simple pendulum? i. mass of the pendulum bob. ii. length of the pendulum. iii. acceleration due to gravity. Options:
  A) i, ii, and iii
  B) ii and iii only
  C) i and iii only
  D) i and ii only
  Show Answer
  The correct answer is B .
• Question 762: 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 763: In a closed organ pipe producing a musical note, an antinode will always be produced at Options:
  A) the closed end
  B) the open end
  C) the middle
  D) all the parts of the pipe
  Show Answer
  The correct answer is B .
• Question 764: The sound of an electricity bell dies down slowly when air is slowly pumped out from a bottle because Options:
  A) the wavelength of sound becomes greater in the bottle
  B) sound cannot pass through the bottle
  C) sound needs a material medium
  D) sound can pass through a vacuum
  Show Answer
  The correct answer is C .
• Question 765: Electric charges on the surface of a conductor would be most evenly distributed if the shape of the conductor is Options:
  A) conical
  B) cubical
  C) cylindrical
  D) parabolic
  E) spherical
  Show Answer
  The correct answer is C .
• Question 766: If the Nigeria flag (green, white, green) is viewed in pure yellow light, which of the following set of colours would be observed on the flag? Options:
  A) Green, yellow, green
  B) Red, yellow, red
  C) black, yellow, black
  D) Green, white, green
  Show Answer
  The correct answer is A .
• Question 767:

  The limiting frictional force between two surface depends on

  I. the normal reaction between the surfaces

  II. the area of surface in contact

  III. the relative velocity between the surfaces

  IV. the nature of the surface

  Options:
  A) I only
  B) I and IV only
  C) II only
  D) III only
  Show Answer
  The correct answer is B .
• Question 768:

  The force exerted on a charged body in an electric field depends on I. the charge on the body

  II. the electric field intensity

  III. the square of the mass of the body

  Options:
  A) I only
  B) II only
  C) I and II only
  D) I and III only
  E) II and III only
  Show Answer
  The correct answer is C .
• Question 769: A lens of focal length 12.0cm forms an upright image three times the size of a real object. The distance between the object and the images is Options:
  A) 8.0cm
  B) 16.0cm
  C) 24.0cm
  D) 32.0cm
  Show Answer
  The correct answer is D .
• Question 770: The current through a resistor in an a.c circuit is given as 2 sin wt. Determine the d.c. equivalent of the current Options:
  A) A/√2
  B) 2/√A
  C) 2 A
  D) √2 A
  Show Answer
  The correct answer is B .