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 2581: Which of the following is a percussion instrument? Options:
  A) Flute
  B) Organ
  C) Bell
  D) Piano
  E) Sonometer
  Show Answer
  The correct answer is C .
• Question 2582: A student is at a height 4m above the ground during a thunderstorm. Give that the potential difference between the thundercloud and the ground is 10⁷v, the electric field created by the storm is Options:
  A) 2.0 * 10⁶ NC ^-1
  B) 2. 5 * 10⁶ NC ^-1
  C) 1.0 * 10⁷ NC ^-1
  D) 4.0 * 10⁷ NC ^-1
  Show Answer
  The correct answer is B .
• Question 2583: Total eclipse of the sun occurs when the Options:
  A) earth is between the moon and the sun
  B) sun is between the moon and the earth
  C) moon is between the sun and the earth
  D) ozone layer is threatened
  Show Answer
  The correct answer is C .
• Question 2584:

  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 2585: Two images Y and X are formed by a plane mirror and a convex mirror respectively. Which of the following is correct about their characteristics? Options:
  A) Both are inverted
  B) The magnification of Y is greater than one while that of X is one
  C) The magnification of Y is one while that of X is less than one
  D) Y is inverted while X is erect
  E) Y is real while X is virtual.
  Show Answer
  The correct answer is C .
• Question 2586:

  

  From the diagram above, determine the value of the resistance X

  Options:
  A) 6Ω
  B) 9Ω
  C) 12Ω
  D) 15Ω
  Show Answer
  The correct answer is D .
• Question 2587: In the diagram above, X and Y have resistances 6 and 4 ohms respectively, if the power dissipation in X is 10W then power dissipation in Y is Options:
  A) 2.4W
  B) 4
  C) 6.0W
  D) 6.7W
  E) 15.0W
  Show Answer
  The correct answer is D .
• Question 2588: Two metals P and Q of length l₁ and l₂ are heated through the same temperature difference. If the ratio of the linear expansivities of P to Q is 2:3 and the ratio of lengths is 3:4. What is the ratio of increase in length of P to Q? Options:
  A) 7:5
  B) 5:7
  C) 1:2
  D) 2:1
  Show Answer
  The correct answer is C .
• Question 2589: Which of the following is true for the image formed by a convex mirror? i. the image is always virtual ii. the image is always erect iii. the image lies between pole and focus iv. the image is never magnified v. the focus length is negative Options:
  A) i only
  B) i and ii only
  C) ii and iii only
  D) i, ii, iii and iv only
  E) all five
  Show Answer
  The correct answer is E .
• Question 2590:

  A well 1km deep is filled with a liquid of density 950kg/m${}^3$ and g = 10m/s${}^2$, the pressure at the bottom of the well is

  Options:
  A) 9.6 × 10${}^6$N/m${}^2$
  B) 9.5 x 10${}^5$N/m${}^2$
  C) 9.4 x 10${}^6$N/m${}^2$
  D) 9.5 x 10${}^6$N/m${}^2$
  Show Answer
  The correct answer is A .