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: A galvanometer with full-scale deflection of 10 mA is to be converted to a voltmeter with full-scale deflection of 5v. the resistance of the galvanometer is Options:
  A) 1Ω
  B) 2Ω
  C) 5Ω
  D) 10Ω
  Show Answer
  The correct answer is D .
• Question 1162:

  

  Fig 1 is a graph of force against extension for a spiral spring, the force constant of the spring is given by the

  Options:
  A) slope of the linear prtion of the graph
  B) length of the linear portion of the graph
  C) area under the linear portion of the graph
  D) area under the entire graph
  Show Answer
  The correct answer is A .
• Question 1163: A 12V battery has an internal resistance of 0.5W.If a cable of 1.0W resistance is connected across the two terminals of the battery, the current drawn from the battery is Options:
  A) 16.0A
  B) 8.0A
  C) 0.8A
  D) 0.4A
  Show Answer
  The correct answer is B .
• Question 1164: If tension is maintained on a stretched string of length 0.6m, such that its fundamental frequency of 220Hz is excited, determine the velocity of the transverse wave in the string. Options:
  A) 528 ms^-1
  B) 264 ms^-1
  C) 132 ms^-1
  D) 66 ms^-1
  Show Answer
  The correct answer is B .
• Question 1165: A concave mirror has a radius of curvature of 36cm. At what distance from the mirror should an object be placed to give a real image three times the size of the object? Options:
  A) 12cm
  B) 24cm
  C) 48cm
  D) 108cm
  Show Answer
  The correct answer is B .
• Question 1166: If a convex lens of focal length 12cm is used to produce a real image four times the size of the object, how far from the lens must the object be placed? Options:
  A) 10 cm
  B) 15 cm
  C) 20 cm
  D) 25 cm
  Show Answer
  The correct answer is B .
• Question 1167:

  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 1168: The frequency of beats produced when two tunning forks of frequencies 258Hz and 270Hz are sounded close to each other Options:
  A) 6Hz
  B) 264Hz
  C) 528Hz
  D) 12Hz
  Show Answer
  The correct answer is D .
• Question 1169: A thermometer with an arbitrary scale S, of equal division registers -30^oS at the ice point and +90^oS at the steam point. Calculate the Celsius temperature corresponding to 60^oS Options:
  A) 25.0^oC
  B) 50.0^oC
  C) 66.7^oC
  D) 75.0^oC
  Show Answer
  The correct answer is D .
• Question 1170: The process of energy production in the sun is Options:
  A) nuclear fission
  B) nuclear fussion
  C) electron collision
  D) radioactive decay
  Show Answer
  The correct answer is B .