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 1911:

  

  The diagram above shows a maximum and minimum thermometer divided into three portions P, Q and R. Which of the following is true about the respective content of P,Q and R

  Options:
  A) Alcohol, mercury and alcohol
  B) Air, alcohol and mercury
  C) Mercury, alcohol and mercury
  D) Air, mercury and alcohol
  Show Answer
  The correct answer is A .
• Question 1912: The property of the eye known as its power of accommodation is controlled by the Options:
  A) pupil
  B) virteous humour
  C) iris
  D) ciliary muscles
  Show Answer
  The correct answer is D .
• Question 1913:

  

  In the AC circuit diagram above, the resonance frequency is

  Options:
  A) 5000π Hz
  B) 2500π Hz
  C) 5000/π Hz
  D) 2500/π Hz
  Show Answer
  The correct answer is D .
• Question 1914:

  What quantity of heat is required to convert 20 g of ice at 0 ºC to water at the same temperature? (Specific latent heat of ice = 336 Jg${}^{-1}$)

  Options:
  A) 7.06 x 10${}^3$J
  B) 5.38 x 10${}^3$J
  C) 6.72 x 10${}^3$J
  D) 1.35 x 10${}^3$J
  Show Answer
  The correct answer is C .
• Question 1915: The electrochemical equivalent of a metal is 1.3 x 10^-7kgC^-1. The mass of the metal which 2.0 x 10⁴C of electricity will deposit from a suitable electrolyte is Options:
  A) 6.5 x 10^-2kg
  B) 2.6 x 10^-2kg
  C) 6.5 x 10^-3kg
  D) 2.6 x 10^-3kg
  Show Answer
  The correct answer is D .
• Question 1916: Which of the following statements are true in the structure of atoms? Options:
  A) the atoms of the differnt element differ only in the number of protons and electrons
  B) the num,ber of protons equals the number of electrons
  C) atoms are constructed according to the plan of our solar system
  D) all of the above
  E) A and C only
  Show Answer
  The correct answer is B .
• Question 1917: Which of the following does NOT cause a reduction of the surface tension of water? Options:
  A) soap solution
  B) detergent
  C) alcohol
  D) camphor
  E) grease
  Show Answer
  The correct answer is E .
• Question 1918: Radio waves emitted from an antenna are picked up by a radar after reflection from an aircraft in 4 x 10^-3S. How far is the aircraft from the antenna? [c = 3 x 10⁸ms^-1 ] Options:
  A) 6.0 x 10²ms^-1
  B) 1.2 x 10³km
  C) 3.0 x 10³km
  D) 6.0 x 10 ⁵km
  Show Answer
  The correct answer is D .
• Question 1919:

  When the breaks in a car are applied, the frictional force on the tyresis?

  Options:
  A) a disadvantage because it is in the direction of the motion of the car
  B) a disadvantage because it is in the opposite direction of the motion of the car
  C) an advantage because it is in the direction of the motion of the car
  D) an advantage because it is in the opposite direction of the motion of the car
  Show Answer
  The correct answer is D .
• Question 1920: What is the acceleration due to gravity 'g' on the moon, if g is 10^-2 on the earth? Options:
  A) 0. 10 ms^-2
  B) 0.74ms^-2
  C) 1.6ms^-2
  D) 10.00ms^-2
  Show Answer
  The correct answer is C .