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 2251:

  A quantity of ice at -10°C is heated until the temperature of the heating vessel is 90°C. Which of the following constants is NOT required to determine the quantity of heat supplied to the vessel?

  Options:
  A) Specific latent heat of vaporization
  B) Specific heat capacity of ice
  C) Specific latent heat of fusion
  D) Specific heat capacity of water
  Show Answer
  The correct answer is A .
• Question 2252: In a meter bridge experiment, two resistor 2$\mathrm{\Omega }$ and 3$\mathrm{\Omega }$ occupy the left and right gaps respectively. Find the balance point from the left side of the bridge Options:
  A) 20cm
  B) 40cm
  C) 60cm
  D) 80cm
  Show Answer
  The correct answer is B .
• Question 2253: Which of the following is a fundamental unit? Options:
  A) Newton
  B) Watt
  C) Joule
  D) Second
  Show Answer
  The correct answer is D .
• Question 2254:

  A bead travelling on a straight line wire is brought to rest at 0.2 by friction. If the mass of the bead is 0.01kg and the coefficient of friction between the bead and the wire is 0.1, determine the work one by the friction. [g = 10ms²]

  Options:
  A) 2 $\times$ 10^-4
  B) 2 $\times$ 10^-3
  C) 2 $\times$ 10¹
  D) 2 $\times$ 10²
  Show Answer
  The correct answer is B .
• Question 2255:

  Two bodies have masses in the ratio3:1. They experience forces whichimpart to them,acceleration in the ratio 2:9 respectively. Find the ratio of forces the masses experienced

  Options:
  A) 1:4
  B) 2:1
  C) 2:3
  D) 2:5
  Show Answer
  The correct answer is C .
• Question 2256:

  

  From the diagram above, the bob of the pendulum has the fastest speed at

  Options:
  A) X
  B) Y
  C) Z
  D) W
  Show Answer
  The correct answer is A .
• Question 2257:

  

  The diagram above represents a transverse electromagnetic wave travelling with speed 3.0 x 10⁸ms^-1. What is the frequency of the wave.

  Options:
  A) 3.0 x 10⁷Hz
  B) 9.0 x 10⁷Hz
  C) 1.0 x 10⁹Hz
  D) 3.0 x 10⁹Hz
  Show Answer
  The correct answer is D .
• Question 2258:

  In homes, electrical appliances and lamps are connected in parallel because

  Options:
  A) less current will be used
  B) less voltage will be used
  C) parallel connection does not heat up the wires
  D) series connection uses high voltage
  Show Answer
  The correct answer is D .
• Question 2259:

  The lead-acid accumulator consists of

  Options:
  A) lead as the positive electrode
  B) lead acid as the negative electrode
  C) hydrochloric acid as the electrolyte
  D) tetraoxosulphate (vi) acid as the electrolyte
  Show Answer
  The correct answer is D .
• Question 2260:

  If the frequency of an emitted x-ray is 1.6 x 10¹⁶Hz, the accelerating potential is?

  [e = 1.6 x 10^-19C, h = 6.63 x 10^-34Js]

  Options:
  A) 6630.0V
  B) 663.0V
  C) 66.3V
  D) 6.6V
  Show Answer
  The correct answer is C .