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 1161: If the first position of resonance in a resonance tube is 18.0cm from the open end, the distance from the open end to the next position of resonance will be Options:
  A) 24.0cm
  B) 27.0cm
  C) 36.0cm
  D) 45.0cm
  E) 54.0cm
  Show Answer
  The correct answer is E .
• Question 1162:

  

  The diagram above represents the stress-strain graph for a typical metal rod. What does the X represent?

  Options:
  A) Breaking point
  B) Yield point
  C) Elastic limit
  D) Proportional limit
  Show Answer
  The correct answer is A .
• Question 1163: Which of the following statements about radioactivity are true? i. alpha particle is positively charged ii. Beta particle is negatively charged iii. Gamma ray is neutral iv. Beta particle has the same mass as helium atom v. Gamma ray is charged Options:
  A) i, ii, iii and iv only
  B) iv and v only
  C) i, ii and iii only
  D) i, ii and v only
  E) all
  Show Answer
  The correct answer is C .
• Question 1164: Which of the following are found in the receiver but not in the microphone of a telephone handset? i. Diaphragm. ii. soft iron pole pieces. iii. permanent magnet. iv.carbon blocks Options:
  A) i and ii
  B) i and iv
  C) ii and iii
  D) iii and iv
  Show Answer
  The correct answer is B .
• Question 1165:

  A body moves along a circular path with uniform angular speed of 0.6 rad s^-1 and at a constant speed of 3.0 ms^-1. Calculate the acceleration of the body towards the centre of the circle.

  Options:
  A) 0.2.ms^-2
  B) 1.8 ms^-2
  C) 5.0 ms^-2
  D) 5.4 ms^-2
  E) 25.0 ms^-2
  Show Answer
  The correct answer is B .
• Question 1166: The resistance of a 5m uniform wire of cross-sectional area 0.2 x 10^-6m² is 0.425. What is the resistivity of the material of the wire? Options:
  A) 1.10 x 10^-6$\mathrm{\Omega }$m
  B) 4.25 x 10^-6$\mathrm{\Omega }$m
  C) 2.40 x 10^-7$\mathrm{\Omega }$m
  D) 1.70 x 10^-8$\mathrm{\Omega }$m
  Show Answer
  The correct answer is D .
• Question 1167: The production of pure spectrum could easily be achieved using a? Options:
  A) glass prism with a pin
  B) triangular prism with two convex lens
  C) traingular prism only
  D) triangular prism with two concave lenses
  Show Answer
  The correct answer is B .
• Question 1168:

  

  In the figure above if the atmospheric pressure is 760mm, the pressure of the chamber G is

  Options:
  A) 660mm
  B) 690mm
  C) 830mm
  D) 860mm
  Show Answer
  The correct answer is C .
• Question 1169: The water at the bottom of a waterfall is slightly warmer than that at the top because part of the Options:
  A) potential energy raises the water temperature
  B) water absorbs latent heat from the atmosphere
  C) kinetic energy is changed intyo internal energy
  D) dropping mass of water increases the heat capacity
  E) A and C above
  Show Answer
  The correct answer is C .
• Question 1170:

  

  In the diagram above , if the magnetic field points into the paper and the force on a current - carrying conductor points upwards, what is the direction of the current?

  Options:
  A) Upwards
  B) Downwards
  C) Right
  D) Left
  Show Answer
  The correct answer is D .