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 2341: If a mango fruit dropped at a height of 50 meters. How long does it reach the ground? (take g = 10m/s²) Options:
  A) 2 sec
  B) 3 sec
  C) 4sec
  D) 3.2sec
  Show Answer
  The correct answer is D .
• Question 2342: A quantity of sungas at -133 occupies 1/3m³ under pressure 1.4 x 10⁵ Nm^-2. if the gas occupies 31 m^-2 at 37^oC, its pressure will be Options:
  A) 1.26 x 10³Nm^-2
  B) 3.3 x10⁴Nm^-2
  C) 1.35 x 10⁴Nm^-2
  D) 2.2 x 10⁴Nm^-2
  E) 10⁵Nm^-2
  Show Answer
  The correct answer is B .
• Question 2343:

  Which of the following option is right if an object fall freely to the ground?1. The total energy is Kinetic

  2. The ratio of potential energy to kinetic energy is constant

  3. The sum of potential and kinetic is constant

  Options:
  A) 1 only
  B) 2 only
  C) 3 only
  D) 1 and 2 only
  Show Answer
  The correct answer is C .
• Question 2344: A platinum resistance thermometer records 3.0$\mathrm{\Omega }$ at 0^oC and 8.0$\mathrm{\Omega }$ at 100^oC. If it records 6.0$\mathrm{\Omega }$ in a certain environment, The temperature of the medium is Options:
  A) 80^oC
  B) 60^oC
  C) 50^oC
  D) 30^oC
  Show Answer
  The correct answer is B .
• Question 2345:

  

  In the above fig, PQ and R are vectors, which of the following options, gives a correct relationship between the vectors

  Options:
  A) P = Q + R
  B) P = Q - R
  C) P = R - Q
  D) P + Q + R = O
  Show Answer
  The correct answer is A .
• Question 2346:

  What is the cost of running five 50W lamps and four 100W lamps for 10 hours if electrical energy costs 2 Kobo per KWh?

  Options:
  A) N0.65
  B) N0.39
  C) N3.90
  D) N0.13
  Show Answer
  The correct answer is D .
• Question 2347: In a common emitter configuration, the output voltage is through the Options:
  A) Resistor
  B) Base
  C) Collector
  D) Emitter
  Show Answer
  The correct answer is D .
• Question 2348:

  

  The diagram above shows a meter bridge in which two of thee arms contain resistances R and 2Ω. A balance point is obtained at 60cm from the left end , calculate the value of R

  Options:
  A) 1.2Ω
  B) 1.3Ω
  C) 3.0Ω
  D) 6.0Ω
  Show Answer
  The correct answer is C .
• Question 2349: What type of reaction is represented by the following scheme? ${}_1^{2}X$ + ${}_1^{2}Y$ + ${}_2^{3}Z$ + ${}_0^{1}n$ + energy Options:
  A) Fusion reaction
  B) Fission reaction
  C) Chain reaction
  D) Radioactive decay
  Show Answer
  The correct answer is A .
• Question 2350:

  

  The diagram above shows a maximum and minimum thermometer divided into three portions P, Q and R. Which of the following is true about the respective content of P,Q and R

  Options:
  A) Alcohol, mercury and alcohol
  B) Air, alcohol and mercury
  C) Mercury, alcohol and mercury
  D) Air, mercury and alcohol
  Show Answer
  The correct answer is A .