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 181:

  The working of the beam balance is based on the principle of

  Options:
  A) moments
  B) conservation of energy
  C) equivalence
  D) floatation
  Show Answer
  The correct answer is A .
• Question 182: The thermometric property of a constant volume thermometer is? Options:
  A) change in volume
  B) differential expanssion
  C) change in pressure
  D) change in length
  Show Answer
  The correct answer is C .
• Question 183: Which of the following statements is NOT true of $\gamma$-rays? Options:
  A) $\gamma$-rays belong to the electromagnetic spectrum
  B) $\gamma$-rays do not carry an electron charge
  C) $\gamma$-rays obey the inverse cube law in air
  D) the thickness of aluminium which stops b-particule has a negligible effect on $\gamma$-radiation
  E) the difference between $\gamma$-rays and X-rays is that $\gamma$-rays originate from energy charges in the nuclei of atoms, while X-rays comes from energy charges associated with the electron structure of atoms
  Show Answer
  The correct answer is C .
• Question 184: 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 185: The instrument used by designers to obtain different color pattern is called? Options:
  A) periscop
  B) sextant
  C) episcope
  D) kaleidoscope
  Show Answer
  The correct answer is D .
• Question 186: The pair of physical quantities consisting of vectors only are Options:
  A) momentum and power
  B) velocity and distance
  C) displacement and torgue
  D) accelaration and speed
  Show Answer
  The correct answer is C .
• Question 187: 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 188: A pool of water appears to be 1.0m deep when viewed vertically from above. If the refractive index of water is 1.33, what is the actual depth of the pool? Options:
  A) 0.750m
  B) 1.013m
  C) 1.330m
  D) 13.3000m
  Show Answer
  The correct answer is C .
• Question 189: A gas occupies a volume of 300cm³at a temperature of 27^oC. What is its volume at 54^oC, when the pressure is constant? Options:
  A) 150cm³
  B) 273cm³
  C) 327cm³
  D) 600cm³
  Show Answer
  The correct answer is C .
• Question 190:

  The equation of a wave traveling along the positive x-direction is given by; y = 0.25 x 10${}^{-3}$ sin (500t - 0.025x). Determine the angular velocityof the wave motion.

  Options:
  A) 0.25 x 10${}^{-3}$rads${}^{-1}$
  B) 0.25 x 10${}^{-1}$rads${}^{-1}$
  C) 5.00 x 10${}^2$rads${}^{-1}$
  D) 2.50 x 10${}^3$rads${}^{-1}$
  Show Answer
  The correct answer is C .