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 961: A piece of wood is floating on water. The forces acting on the wood are Options:
  A) upthrust and reaction
  B) weight and reaction
  C) weight and upthrust
  D) upthrust and viscousity
  E) weight and viscousity
  Show Answer
  The correct answer is C .
• Question 962:

  In what range oftemperature is the expansion of water anomalous?

  Options:
  A) +208${}^o$C to +212${}^o$C
  B) -80${}^o$C + -76${}^o$C
  C) 0${}^o$C to +4${}^o$C
  D) -4${}^o$C to +0${}^o$C
  Show Answer
  The correct answer is C .
• Question 963:

  If in a simple pendulum experiment the length of the inextensible string is increased by a factor offour, its period is increased by a factor of?

  Options:
  A) 4
  B) $\frac{\pi }{2}$
  C) $\frac{1}{4}$
  D) 2
  Show Answer
  The correct answer is D .
• Question 964: 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 965: Two inductors of inductances 5 mll and 15 mll are connected in series and a current of 5A flows through them. the total energy stored in the inductor is Options:
  A) 500.0J
  B) 250.0J
  C) 62.5J
  D) 50.0J
  E) no correct option
  Show Answer
  The correct answer is E .
• Question 966: A small metal ball thrown vertically upwards from the top of a tower with an initial velocity of 20ms^-1. If the ball took a total of 6s to reach ground level, determine the height of the tower [g = 10ms^-2] Options:
  A) 60m
  B) 80m
  C) 100m
  D) 120m
  Show Answer
  The correct answer is A .
• Question 967:

  

  From the diagram above, the inductive reactance and the resistance R are respectively

  Options:
  A) 50Ω and 45Ω
  B) 25Ω and 51Ω
  C) 20Ω and 50Ω
  D) 10Ω and 49Ω
  Show Answer
  The correct answer is D .
• Question 968: Which of the following i. $\beta$-particles ii. protons iii. neutrons iv. $\alpha$-particles. may be found in light nuclei? Options:
  A) i and ii
  B) i and iii
  C) ii and iv
  D) ii and iii
  E) i, ii and iii
  Show Answer
  The correct answer is D .
• Question 969:

  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 970: A body executing simple harmonic motion has an angular speed of 2π radians. Its period of oscillation is (π 3.14). Options:
  A) 0.05s
  B) 1.00s
  C) 2.00s
  D) 3.14s
  E) 6.28s
  Show Answer
  The correct answer is B .