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 1201: In which of the following fields is repulsion NOT experienced? Options:
  A) Electrical only
  B) Gravitational only
  C) Magnetic only
  D) Magnetic and electrical
  E) Magnetic and gravitational
  Show Answer
  The correct answer is B .
• Question 1202: If a wire 30 cm long is extended to 30.5 cm by a force of 300 N. find the strain energy of wire Options:
  A) 0.75 J
  B) 7.50 J
  C) 75.00 J
  D) 750.00 J
  Show Answer
  The correct answer is A .
• Question 1203: The force with which an object is attracted to the earth is called its Options:
  A) acceleration
  B) mass
  C) gravity
  D) impulse
  E) weight
  Show Answer
  The correct answer is E .
• Question 1204: In an A.C circuit, the ratio of r.m.s value to peak value of current is Options:
  A) 2
  B) $\frac{1}{2}$
  C) $\frac{1}{\sqrt{2}}$
  D) $\sqrt{2}$
  Show Answer
  The correct answer is C .
• Question 1205:

  If 16mA of current flows through a conductor in one second, the number of electron transported per seconds is

  [1 electronic charge = 1.6 x 10^-19C]

  Options:
  A) 1.00 x 10²⁰
  B) 2.56 x 10^-18
  C) 2.56 x ^-17
  D) 1.00 x 10¹⁷
  Show Answer
  The correct answer is D .
• Question 1206:

  If the frequency of an emitted x-ray is 1.6 x 10${}^{16}$Hz, the accelerating potential is?

  [e = 1.6 x 10${}^{-19}$J, h = 6.63 x 10-${}^{34}$Js]

  Options:
  A) 6630.0V
  B) 663.0V
  C) 66.3V
  D) 6.6V
  Show Answer
  The correct answer is C .
• Question 1207:

  Which of the following is not a vector quantity?

  Options:
  A) momentum
  B) force
  C) temperature
  D) displacement
  Show Answer
  The correct answer is C .
• Question 1208: 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 1209:

  

  The diagram above shows a magnet X with its south pole moved along a soft - iron bar PQ in the direction shown. After some time, the poles at P and Q respectively are

  Options:
  A) North - North
  B) North - South
  C) South - North
  D) South - South
  Show Answer
  The correct answer is B .
• Question 1210:

  

  In a light experiment with a convex lens a student plotted a graph as shown above of the reciprocal of object distance (1)/u against the reciprocal of image distance (1)/v . the focal length of the lens is given as

  Options:
  A) slope of line PQ
  B) Reciprocal of either OP or OQ
  C) Length OP or OQ
  D) area under the graph E ratio OP/OQ
  Show Answer
  The correct answer is B .