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 2451: If the wavelength of a wave travelling with a velocity of 360ms^-1 is 60cm, the period of the wave is Options:
  A) 6s
  B) 3.6s
  C) 0.17s
  D) 0.61s
  E) 3s
  Show Answer
  The correct answer is C .
• Question 2452: The maximum kinetic energy of the photoelectron emitted from a metal surface is 0.34eV. If the work function of the metal surface is 1.83eV,find the stopping potential. Options:
  A) 2.17V
  B) 1.49V
  C) 1.09V
  D) 0.34V
  Show Answer
  The correct answer is D .
• Question 2453:

  

  If ray travelling in air is incident on a transparent medium as shown in the diagram, the refractive index of the medium is given as

  Options:
  A) cosα / sinβ
  B) sinα / sinβ
  C) cosβ / sinα
  D) sinβ / sinα
  Show Answer
  The correct answer is A .
• Question 2454:

  

  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 2455:

  

  The figure above shows a uniform circular object, center R and diameter PS. A circular section 6 and Diameter PR is cut from it. if PQRS is a straight line, where is center of gravity of the figure

  Options:
  A) Q
  B) R
  C) A point between P and R
  D) A point between R and S
  Show Answer
  The correct answer is D .
• Question 2456: The small droplet of water that forms on the grass in the early hours of the morning is Options:
  A) hail
  B) dew
  C) fog
  D) mist
  Show Answer
  The correct answer is B .
• Question 2457: In a fission process, the decrease in mass is 0.01%. How much energy could be obtained from the fission of 0.1g of the material Options:
  A) $9.0\times {10}^{9}J$
  B) $9.0\times {10}^{10}J$
  C) $6.3\times {10}^{11}J$
  D) $9.0\times {10}^{11}J$
  Show Answer
  The correct answer is A .
• Question 2458: A thin converging lens has a power of 4.0 diopters determined its focal length. Options:
  A) 2.50m
  B) 0.03m
  C) 5.00m
  D) 0.25m
  Show Answer
  The correct answer is D .
• Question 2459:

  The following are parts of the eye

  I. Retina

  II. Pupil

  III. Iris

  The correct equivalent in the camera in the same order are

  Options:
  A) Diaphragm, Aperture, film
  B) Aperture, Diaphragm, Film
  C) Film, Diaphragm, Aperture
  D) Film, Aperture, Diaphragm
  Show Answer
  The correct answer is D .
• Question 2460: an object 1cm high placed on the axis 15cm from a converging lens forms an image 30cm from the lens. The size of the image is Options:
  A) 0.5cm
  B) 1.5cm
  C) 3cm
  D) 2.5m
  E) 2cm
  Show Answer
  The correct answer is E .