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 1871:

  Which of the following liquids has the highest surface tension?

  Options:
  A) Soapy water
  B) Water
  C) Mercury
  D) Oil
  Show Answer
  The correct answer is C .
• Question 1872: The bond that forms a semiconductor is? Options:
  A) covalent
  B) electrovalent
  C) ionic
  D) metallic
  Show Answer
  The correct answer is A .
• Question 1873: An electron of charge 1.6 x 10^-19C and mass 9.1 x 10^-31kg is accelerated between two metal plates with a velocity of 4 x 10⁷ms^-1, the potential difference between the plates is Options:
  A) 4.55 x 10³V
  B) 4.55 x 10²V
  C) 9.10 x 10¹V
  D) 4.55 x 10¹V
  Show Answer
  The correct answer is A .
• Question 1874: Which of the following is an electrolyte? Options:
  A) Paraffin
  B) Sugar solution
  C) Grape fruit
  D) Alcohol
  Show Answer
  The correct answer is C .
• Question 1875: In the microscope, the eyepiece lens merely acts as? Options:
  A) an inverter
  B) a refiner
  C) a diminisher
  D) a magnifier
  Show Answer
  The correct answer is D .
• Question 1876:

  

  In the diagram above, if the internal resistance of the cell is zero, the ration of the powers P₁ and P₂ dissipated by R₁ and R₂

  Options:
  A) ^R₂/_R1
  B) ^R₁/_R2
  C) ^R₁+R₂/_R1
  D) ^R₁+R₂/_R2
  Show Answer
  The correct answer is A .
• Question 1877: An object which is 3cm high is placed vertically 10cm in front of a concave mirror. If this object produces an image 40cm from the mirror, the height of the image is Options:
  A) 0.75cm
  B) 4.00cm
  C) 8.00cm
  D) 12.00cm
  Show Answer
  The correct answer is D .
• Question 1878:

  An object moves in a circular path of radius 0.5m with a speed of 1ms${}^{-1}$. What is its angular velocity?

  Options:
  A) 8rads${}^{-1}$
  B) 4rads${}^{-1}$
  C) 1rads${}^{-1}$
  D) 2rads${}^{-1}$
  Show Answer
  The correct answer is D .
• Question 1879:

  Which of these isa second-class lever?

  Options:
  A) sugar tongs
  B) claw hammer
  C) plier
  D) wheelbarrow
  Show Answer
  The correct answer is D .
• Question 1880: The particle that is responsible for the nuclear fission in a nuclear reactor is Options:
  A) neutron
  B) prton
  C) electron
  D) photon
  Show Answer
  The correct answer is A .