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 11: In a compound microscope, the objective and the eye piece focal lengths are Options:
  A) At infinity
  B) Long
  C) Short
  D) The same
  Show Answer
  The correct answer is C .
• Question 12: A 100kg box is pushed along a road with force of 500N. If the box moves with a uniform velocity, the coefficient of friction between the box and the road is Options:
  A) 0.4
  B) 1.0
  C) 0.8
  D) 0.5
  Show Answer
  The correct answer is D .
• Question 13: A uniform solid cube material 10cm on each side of mass 700g is submerged in water. which of the following best described the behavior of the cube water? Options:
  A) the cube will melt after a period of time
  B) the cube will float
  C) the cube will sink in water
  D) the cube will rest at an equilibrium position in water
  Show Answer
  The correct answer is B .
• Question 14: The motion of smoke particles from a chimney is typical of? Options:
  A) random motion
  B) circular motion
  C) rotational motion
  D) oscillatory motion
  Show Answer
  The correct answer is A .
• Question 15:

  When a yellow card is observed through blue glass, the card would appear

  Options:
  A) black
  B) green
  C) red
  D) white
  Show Answer
  The correct answer is A .
• Question 16:

  A piece of substance of specific heatcapacity 450Jkg${}^{-1}$k${}^1$ falls through a vertical distance of 20m from rest. Calculate the rise in temperature of the substance on hitting the ground when all its energies are converted into heat. [g = 10ms${}^{-2}$]

  Options:
  A) $\frac{2}{9}$ºC
  B) $\frac{4}{9}$ºC
  C) $\frac{9}{2}$ºC
  D) $\frac{9}{4}$ºC
  Show Answer
  The correct answer is B .
• Question 17: 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 18: The electrochemical equivalent of silver is 0.0012gC^-1. If 36.0g of silver is to be deposited by electrolysis on a surface by passing a steady current for 5.0mins, the current must be Options:
  A) 6000A
  B) 100A
  C) 10A
  D) 1A
  Show Answer
  The correct answer is B .
• Question 19: If a sonometer has a fundamental frequency of 450HZ, what is the frequency of the fifth overtone? Options:
  A) 2700Hz
  B) 456Hz
  C) 444Hz
  D) 75Hz
  Show Answer
  The correct answer is A .
• Question 20: Shadows and eclipses result from the Options:
  A) refraction of light
  B) rectilinear propagation of light
  C) defraction of light
  D) reflection of light
  Show Answer
  The correct answer is B .