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 2131:

  Which of the following statements are correct of the production and propagation of waves?

  I. vibration produces waves

  II. waves transmit energy along the medium

  III. the medium through which the wave travels does not travel with the wave

  IV. waves do not require any medium for transmission

  Options:
  A) I and IV only
  B) II and IV only
  C) III and IV only
  D) I, II and III only
  Show Answer
  The correct answer is D .
• Question 2132: When left in a freezer, a bottle full of water cracks on freezing into ice because of the Options:
  A) increase in the volume of water
  B) contraction of the bottle
  C) expansion of the bottle
  D) decrease in the volume of water
  Show Answer
  The correct answer is A .
• Question 2133:

  A gas at a volume of V${}_0$ in a container at pressure p${}_0$ is compressed to one-fifth of its volume. What will be its pressure if the magnitude of its original temperature T is constant?

  Options:
  A) $\frac{p_0}{5}$
  B) $\frac{4p_0}{5}$
  C) p${}_0$
  D) 5P${}_0$
  Show Answer
  The correct answer is D .
• Question 2134: An object is projected with a velocity of 80ms^-1 at an angle of 30^o to the horizontal.The maximum height reached is Options:
  A) 20m
  B) 80m
  C) 160m
  D) 320m
  Show Answer
  The correct answer is B .
• Question 2135:

  Aluminium is sometimes used as the leaf of an electroscope because it

  Options:
  A) is a light material
  B) is a good conductor
  C) is a good insulator
  D) can be converted into thin sheets
  Show Answer
  The correct answer is D .
• Question 2136:

  Any line or section taken through an advancing wave in which all the particles are in the same phase is called the

  Options:
  A) wavelength
  B) wave coast
  C) wave trough
  D) wave front
  Show Answer
  The correct answer is D .
• Question 2137: A thin wire with heavy weights attached to both ends is hung over a block of ice resting on two supports. If the wire cuts through the ice block while the block remains solid behind the wire, the process is called Options:
  A) condensation
  B) sublimation
  C) regelation
  D) fusion
  Show Answer
  The correct answer is C .
• Question 2138: Quantities of heat Q can be measured using a container called Options:
  A) Thermometer
  B) Measuring cylinder
  C) Calorimeter
  D) Meter rule
  Show Answer
  The correct answer is C .
• Question 2139:

  Light of wavelength 589 nm in vacuum passes through a piece of fused quartz of index of refraction n = 1.458. What is the frequency of the light in fused quartz?

  [Speed of light c = $3.00\times {10}^{8}m{s}^{-1}$]

  Options:
  A) $5.09\times {10}^{15}$Hz
  B) $5.09\times {10}^{14}$ Hz
  C) $1.77\times {10}^{15}$ Hz
  D) $1.77\times {10}^{14}$ Hz
  Show Answer
  The correct answer is B .
• Question 2140:

  

  In the circuit diagram above, calculate the current in the 12 Ω resistor if the cell has an emf of 12V and an internal resistance of 1Ω

  Options:
  A) 0.8A
  B) 1.0A
  C) 1.6A
  D) 2.4A
  Show Answer
  The correct answer is D .