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 351:

  

  Find the tension T1 in the diagram above if the system is in equilibrium. [G = 10ms^-2]

  Options:
  A) 200/√3N
  B) 100/√3N
  C) 300/√3N
  D) 100N
  Show Answer
  The correct answer is B .
• Question 352:

  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 353: A motor boy of a driver saw what seem to appear to be a pool of water a head of him, while his driver’s drives a new truck on a funny day. Which of the following explains his observation? Options:
  A) He saw a flying objects
  B) He must be thinking of water and food
  C) He was seeing the shadow of the car
  D) The sun ray from the sky were passing from a hot air (layer) to cold layer
  Show Answer
  The correct answer is D .
• Question 354: A bullet fired vertically from upward from a gun held 2.0 m above the ground reaches its maximum height in 4.0s. calculate its initial velocity.
  [g = 10ms^-2] Options:
  A) 10 ms^-1
  B) 8 ms^-1
  C) 40 ms^-1
  D) 20 ms^-1
  Show Answer
  The correct answer is C .
• Question 355: The atmospheric pressure due to water is 1.3 x 10⁶Nm^-2. What is the total pressure at the bottom of an ocean 10m deep? [Density of water = 1000kgm^-3, g = 10ms^-2] Options:
  A) 1.3 x 10⁷Nm^-2
  B) 1.4 x 10⁶Nm^-2
  C) 1.4 x 10⁵Nm^-2
  D) 1.0 x 10 ⁵Nm^-2
  Show Answer
  The correct answer is B .
• Question 356:

  

  What is the resultant capacitance of the circuit?

  Options:
  A) 1.5µF
  B) 18.0µF
  C) 6.0µF
  D) 6.8µF
  E) 8.83µF
  Show Answer
  The correct answer is A .
• Question 357: A tap supplies water at 25^oC while another supplies water at 75^oC. If a man wishes to bathe with water at 40^oC, the ratio of the mass of cold water to the mass of hot water required is Options:
  A) 1 : 3
  B) 15 : 8
  C) 7 : 3
  D) 3 : 1
  Show Answer
  The correct answer is C .
• Question 358:

  

  A uniform light rod is kept in horizontal equilibrium under the influence of fore forces as shown above, which of the following equations correctly represents the condition of equilibrium for the rod

  Options:
  A) F1 + F2 = F3 + F4
  B) F1 + F2 - F3 + F = 0
  C) (F1 + F2)ab = (F3 + F4)cd
  D) F1a + F2b - F3c - F4d = 0
  Show Answer
  The correct answer is D .
• Question 359: Determine the inductive reactance when a 30.0mH inductor with a negligible resistance is connected to a 1.3 x 10³Hz oscillator. Options:
  A) 39.0$\mathrm{\Omega }$
  B) 122.5$\mathrm{\Omega }$
  C) 245.0$\mathrm{\Omega }$
  D) 39000.0$\mathrm{\Omega }$
  Show Answer
  The correct answer is C .
• Question 360:

  

  In the figure above, what is the angle of reflection of the ray of light at mirror M?

  Options:
  A) ${90}^{\circ }$
  B) ${60}^{\circ }$
  C) ${45}^{\circ }$
  D) ${30}^{\circ }$
  Show Answer
  The correct answer is B .