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 361: Calculate the mass of the copper deposited during electrolysis when a current of 4A passes through a copper salt for 2 hours. [Ece of Copper z=3.3x10^-7kgC^-1] Options:
  A) 2.9x10⁵kg
  B) 9.5x10^-7kg
  C) 9.5x10^-3kg
  D) 2.9x10⁴kg
  Show Answer
  The correct answer is C .
• Question 362: A wave is represented by the equation y = 0.5 sin 0.4 Ω(X - 60t), where the distance (X) is measured in centimetres and time (t) in seconds. What is the wave length of the wave? Options:
  A) 0.2cm
  B) 0.4cm
  C) 0.8cm
  D) 5.0cm
  E) 10.0cm
  Show Answer
  The correct answer is D .
• Question 363: Which of the following are True for $\alpha$-decay. i. mass number, decrease by four. ii. Atomic number decreases by two. iii. mass number does not change. Options:
  A) i and ii only
  B) ii and iii only
  C) i and iii only
  D) i, ii, and iii only
  Show Answer
  The correct answer is A .
• Question 364: A man clapping his hands at regular intervals observes that the echo of a clap coincides with the next clap. If the reflecting cliff is 160m away and the speed of sound is 320ms^-1, what is the frequency of the clapping? Options:
  A) 1 Hz
  B) 2Hz
  C) 4Hz
  D) 8Hz
  Show Answer
  The correct answer is A .
• Question 365: Electric charges on the surface of a conductor would be most evenly distributed if the shape of the conductor is Options:
  A) conical
  B) cubical
  C) cylindrical
  D) parabolic
  E) spherical
  Show Answer
  The correct answer is C .
• Question 366: What is the least possible error in using a rule graduated in centimeters? Options:
  A) 0.1cm
  B) 0.5cm
  C) 1.0cm
  D) 2.0cm
  Show Answer
  The correct answer is A .
• Question 367: Which of the following is a characteristics of stationary waves? Options:
  A) They are formed by two identical waves travelling in opposite directions
  B) they can be transverse or longitudinal
  C) The distance between two successive nodes is one wavelenght
  D) The antinode is a point of minimum displacement
  Show Answer
  The correct answer is A .
• Question 368: Which of the following is NOT a vector quantity? Options:
  A) altitude
  B) acceleration
  C) displacement
  D) weight
  Show Answer
  The correct answer is A .
• Question 369: The density of a solid is defined as the Options:
  A) mass of the solid compared to the mass of an equal volume of water
  B) amount of water displaced when a unit mass of thesolid is immersed in it
  C) weight per unit volume of the solid
  D) volume per unit mass of the solid
  E) mass per unit volume of the solid
  Show Answer
  The correct answer is E .
• Question 370: 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 .