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 2071:

  Water is not a good thermometric liquid because it?

  Options:
  A) expands unevenly between 0 ºC and 4 ºC
  B) maintains fixed density
  C) has low freezing point
  D) wets glass
  Show Answer
  The correct answer is D .
• Question 2072:

  Which of the following is NOT a limitation of experimental measurements?

  Options:
  A) Systematic error
  B) Instrument resolution
  C) Random errors
  D) Human error
  Show Answer
  The correct answer is B .
• Question 2073:

  

  Which of the following bodies, each with centre of gravity G, lying on a horizontal table, is/are in unstable equilibrium?

  Options:
  A) II only
  B) III only
  C) I and IV only
  D) II and III only
  Show Answer
  The correct answer is B .
• Question 2074: Which of the following is a pure semiconductor? Options:
  A) carbon
  B) silicon
  C) transistor
  D) phosphorus
  Show Answer
  The correct answer is B .
• Question 2075: Why does a piece of cork float on water? Options:
  A) there is no upthrust on it when completely immersed in water
  B) the upthrust on it when completely immersed in water
  C) the upthrust on it when completely immersed in water is less than its weight in air
  D) its specific gravity is greater than that of water
  E) its specific gravity is the same as that of water
  Show Answer
  The correct answer is E .
• Question 2076:

  In the formation of sea breeze, wind blows from?

  Options:
  A) sky to land
  B) sea to sky
  C) land to sea
  D) sea to land
  Show Answer
  The correct answer is D .
• Question 2077:

  

  The figure above shows two similar bulbs X and Y connected to suitable power supply with F as an appropriate fuse rating, if the filament of X breaks then the

  Options:
  A) Brightness Of Y will reduce
  B) Brightness Of Y will remain constant
  C) Brightness Of Y will increase
  D) fuse F will blow
  Show Answer
  The correct answer is C .
• Question 2078:

  The volume of 0.354g of helium at 273°C and 114cm of mercury pressure is 2667cm${}^3$. Calculate the volume

  Options:
  A) 2000.25 cm${}^3$
  B) 200.025 cm${}^3$
  C) 4003.27 cm${}^3$
  D) 2010.25 cm${}^3$
  Show Answer
  The correct answer is B .
• Question 2079:

  

  In the diagram above, MN is perpendicular to ON and MR what is the difference between the moment about N of the force of 20 Newtons applied along MP an its moment about 0

  Options:
  A) Zero
  B) 0.2N.m
  C) 0.4N.m
  D) 0.8N.m
  E) 0.6N.m
  Show Answer
  The correct answer is A .
• Question 2080: In order to find the depth of the sea, a ship sends out a sound wave and receives an echo after one second. If the velocity of sound in water is 1500ms^-1, what is the depth of the sea? Options:
  A) 0.75km
  B) 1.50km
  C) 2.20km
  D) 3.00km
  E) 3.75km
  Show Answer
  The correct answer is A .