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 1851: Which of the following instruments can be used to measure current in an a.c circuit? Options:
  A) Hot wire ammeter
  B) Moving coil ammeter
  C) Tangent galvanometer
  D) Moving coil galvanometer
  Show Answer
  The correct answer is D .
• Question 1852: The stylus of a phonograph record exerts a force of 7.7 x 10^-2N on a groove of radius 10^-5m. Compute the pressure exerted by the stylus on the groove Options:
  A) 2.45 x 10⁸ Nm^-2
  B) 3.45 x 10⁸ Nm^-2
  C) 4.90 x 10⁸ Nm^-2
  D) 2.42 x 10⁸ Nm^-2
  Show Answer
  The correct answer is A .
• Question 1853:

  A man walks 8km north and then 5km in a direction 60^o east of north. Find the distance from his starting point

  Options:
  A) 11.36km
  B) 12.36km
  C) 13.00km
  D) 14.36km
  Show Answer
  The correct answer is A .
• Question 1854:

  A resistance R is connected across the terminal of an electric cell of internal resistance 2Ω and the voltage was reduced to 3/5 of its nominal value.

  The value of R is

  Options:
  A) 3 Ω
  B) 2 Ω
  C) 1 Ω
  D) 6 Ω
  Show Answer
  The correct answer is A .
• Question 1855: Which of the following types of motion is/are exhibited by a cylindrical drum rolling down an incline plane? Options:
  A) Random and rotational
  B) Rotational and oscillatory
  C) Rotational only
  D) Translations only
  E) Translational and rotational
  Show Answer
  The correct answer is E .
• Question 1856:

  

  When the sun, moon and the earth are as shown in the diagram above an observer standing in X is in

  Options:
  A) Penumbra and sees a partial eclipse
  B) Penumbra and sees a total eclipse
  C) umbra and sees a partial eclipse
  D) umbra and sees a total eclipse
  Show Answer
  The correct answer is A .
• Question 1857:

  The resultant of two forces 12N and 5N is 13N. What is the angle between the two forces?

  Options:
  A) 0^o
  B) 45^o
  C) 90^o
  D) 180^o
  Show Answer
  The correct answer is C .
• Question 1858: Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then Options:
  A) A and B are equal
  B) A is greater than B
  C) the angle between A and B is 0°
  D) the angle between A and B is 90°
  E) the angle between A and B is 180°
  Show Answer
  The correct answer is E .
• Question 1859: A band of 500 rectangular loops of wire of area 20 cm by 20 cm, encloses a region of magnetic field which charges from 1.0T to 0.4T within 5 seconds, calculate the induced e.m.f. Options:
  A) 5.60 v
  B) 24.00 v
  C) 0.24 v
  D) 2.40 v
  Show Answer
  The correct answer is D .
• Question 1860:

  What type of reaction is represented by the following scheme?

  ${}_1^{2}X$ + ${}_1^{2}Y$  -----> ${}_2^{3}Z$ + ${}_1^{0}n$ + energy

  Options:
  A) fusion reaction
  B) fission reaction
  C) Chain reaction
  D) radioactive decay
  Show Answer
  The correct answer is A .