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 351: In the normal use of a simple microscope, a person sees an Options:
  A) erect, real and magnified image
  B) erect, virtual and magnified image
  C) inverted, virtual and magnified image
  D) inverted, real and magnified image
  E) inverted and real image the same size as the object
  Show Answer
  The correct answer is B .
• Question 352:

  23	Na + X →	20	F +	4	He
  11		9		2

  What particle is X in the reaction above?

  Options:
  A) Alpha
  B) Beta
  C) Neurons
  D) Gamma
  Show Answer
  The correct answer is C .
• Question 353: If a source of sound is moving, a stationary listener will hear a sound of different frequency. This is called Options:
  A) Doppler effect
  B) Resonance
  C) Ultra sound
  D) Diffraction of sound
  E) Rarefaction
  Show Answer
  The correct answer is A .
• Question 354: 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 355: The total energy required to send a unit positive charge round a complete electrical circuit is the Options:
  A) kinetic energy
  B) potential difference
  C) electromotive force
  D) electrical energy
  Show Answer
  The correct answer is B .
• Question 356:

  The energy of a photo having a wavelength of 10^-10m is

  (h= 6.63 x 10 ^-34Js, c =3.0 x 10 ⁸ms^-1)

  Options:
  A) 2.0 x 10 ^-15J
  B) 1.7 x 10 ^-13J
  C) 2.0 x 10 ^-12J
  D) 1.7 x 10 ^-12J
  Show Answer
  The correct answer is A .
• Question 357: The function of the system of granulated carbon mixed with manganese (IV) oxide in a Letanche cell is to Options:
  A) increase the e.m.f. of the cell to 2.0V
  B) prevent local action in the cell
  C) prevent polarisation in the cell
  D) make the cell black and hence a good radiator
  Show Answer
  The correct answer is C .
• Question 358: The capacitance of a parallel plate capacitor is 20 μf in air and 60 μf in the presence of a dielectric. What is the dielectric constant? Options:
  A) 0.3
  B) 6.0
  C) 3.0
  D) 2.0
  Show Answer
  The correct answer is C .
• Question 359: Dispersion of light by a glass prism is due to the Options:
  A) different colours of the glass
  B) different speeds of the various colours in glass
  C) defects in the glass
  D) high density of glass
  Show Answer
  The correct answer is B .
• Question 360: If an object is placed at a height of tem above the ground at a stationary point. It posses what types of energy? Options:
  A) Mechanical energy
  B) Stationary energy
  C) Potential energy
  D) Vibrational energy
  Show Answer
  The correct answer is C .