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 1311: A charge 50 µc has electric field strength of 360 NC^-1 at a certain point. The electric field strength due to another charge 120 µc kept at the same distance apart and in the same medium is? Options:
  A) 864 NC^-1
  B) 150 NC^-1
  C) 144 NC^-1
  D) 18 NC^-1
  Show Answer
  The correct answer is B .
• Question 1312: When a man moves toward a plane mirror at a speed of 6m/s, the distance the man and his image increased at a speed of? Options:
  A) 2 m/s
  B) 4 m/s
  C) 12 m/s
  D) 14 m/s
  Show Answer
  The correct answer is C .
• Question 1313: Two strings of the same length and under the same tension gives notes of frequencies in the ratio 4 : 1. The masses of the strings are in the corresponding ratio of Options:
  A) 2 : 1
  B) 1 : 2
  C) 1 : 4
  D) 1 : 16
  Show Answer
  The correct answer is B .
• Question 1314: Electric motor primarily converts Options:
  A) electrical energy into chemical energy
  B) electrical energy into heat energy
  C) kinetic energy into potential energy
  D) electrical energy into mechanical energy
  E) mechanical energy into light energy
  Show Answer
  The correct answer is D .
• Question 1315: Which of the following substances undergoes sublimation? Options:
  A) Ether
  B) Ice
  C) Iodine
  D) Naphthalene
  E) Turpentine
  Show Answer
  The correct answer is D .
• Question 1316: The vibration of an air column produces the sound in the Options:
  A) piano
  B) guiter
  C) flute
  D) school handbell
  Show Answer
  The correct answer is C .
• Question 1317: The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth’s surface. If the weight of an object at X is 4.80N. what is its weight on the earth? Options:
  A) 1.92N
  B) 2.88N
  C) 6.72N
  D) 8.00N
  E) 12.00N
  Show Answer
  The correct answer is E .
• Question 1318: The instrument to measure the relative density of light is Options:
  A) thermometer
  B) hydrometer
  C) spring balance
  D) beaker
  Show Answer
  The correct answer is B .
• Question 1319: A series RLC circuit is said to resonate, when Options:
  A) capacitive reactance is zero
  B) conductance is maximum
  C) current is minimum
  D) impedance is minimum
  E) inductive reactance is zero
  Show Answer
  The correct answer is D .
• Question 1320: The tendon in a man's leg is 0.01m long. If a force of 5N stretches the tendon by 2.0 x 10^-5m, calculate the strain on the muscle. Options:
  A) 5 x 10⁶
  B) 5 x 10²
  C) 2 x 10^-3
  D) 2 x 10^-7
  Show Answer
  The correct answer is C .